1122102021 has 16 divisors (see below), whose sum is σ = 1513686528. Its totient is φ = 739320000.

The previous prime is 1122102001. The next prime is 1122102029. The reversal of 1122102021 is 1202012211.

It is not a de Polignac number, because 1122102021 - 2¹³ = 1122093829 is a prime.

It is a super-2 number, since 2×1122102021² = 2518225891064568882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122101988 and 1122102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122102029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180871 + ... + 186971.

It is an arithmetic number, because the mean of its divisors is an integer number (94605408).

Almost surely, 2^1122102021 is an apocalyptic number.

It is an amenable number.

1122102021 is a deficient number, since it is larger than the sum of its proper divisors (391584507).

1122102021 is a wasteful number, since it uses less digits than its factorization.

1122102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1122102021 is about 33497.7912853967. The cubic root of 1122102021 is about 1039.1481007561.

Adding to 1122102021 its reverse (1202012211), we get a palindrome (2324114232).

The spelling of 1122102021 in words is "one billion, one hundred twenty-two million, one hundred two thousand, twenty-one".