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1112121220202 = 217271071206679
BaseRepresentation
bin10000001011101111100…
…101110001110001101010
310221022120122021112221022
4100023233211301301222
5121210111013021302
62210522413212442
7143230254253646
oct20135745616152
93838518245838
101112121220202
11399714488153
1215b653191122
1380b460a3215
143bb8123bc26
151dddebb88a2
hex102ef971c6a

1112121220202 has 16 divisors (see below), whose sum is σ = 1766376797760. Its totient is φ = 523331421888.

The previous prime is 1112121220159. The next prime is 1112121220237. The reversal of 1112121220202 is 2020221212111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318299 + ... + 1524977.

It is an arithmetic number, because the mean of its divisors is an integer number (110398549860).

Almost surely, 21112121220202 is an apocalyptic number.

1112121220202 is a deficient number, since it is larger than the sum of its proper divisors (654255577558).

1112121220202 is a wasteful number, since it uses less digits than its factorization.

1112121220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233805.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1112121220202 its reverse (2020221212111), we get a palindrome (3132342432313).

The spelling of 1112121220202 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 17 34 27107 54214 460819 921638 1206679 2413358 20513543 41027086 32709447653 65418895306 556060610101 1112121220202