1021211100202 has 16 divisors (see below), whose sum is σ = 1538752965120. Its totient is φ = 508293645552.

The previous prime is 1021211100199. The next prime is 1021211100209. The reversal of 1021211100202 is 2020011121201.

1021211100202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1021211100202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021211100209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15815499 + ... + 15879937.

It is an arithmetic number, because the mean of its divisors is an integer number (96172060320).

Almost surely, 2^{1021211100202} is an apocalyptic number.

1021211100202 is a deficient number, since it is larger than the sum of its proper divisors (517541864918).

1021211100202 is a wasteful number, since it uses less digits than its factorization.

1021211100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100197.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021211100202 its reverse (2020011121201), we get a palindrome (3041222221403).

The spelling of 1021211100202 in words is "one trillion, twenty-one billion, two hundred eleven million, one hundred thousand, two hundred two".