1112012202121 has 16 divisors (see below), whose sum is σ = 1162374883200. Its totient is φ = 1062472578048.

The previous prime is 1112012202113. The next prime is 1112012202127. The reversal of 1112012202121 is 1212022102111.

It is a cyclic number.

It is not a de Polignac number, because 1112012202121 - 2³ = 1112012202113 is a prime.

It is a super-2 number, since 2×1112012202121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112012202095 and 1112012202104.

It is not an unprimeable number, because it can be changed into a prime (1112012202127) 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, 2656681 + ... + 3046633.

It is an arithmetic number, because the mean of its divisors is an integer number (72648430200).

Almost surely, 2^{1112012202121} is an apocalyptic number.

It is an amenable number.

1112012202121 is a deficient number, since it is larger than the sum of its proper divisors (50362681079).

1112012202121 is a wasteful number, since it uses less digits than its factorization.

1112012202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391008.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112012202121 its reverse (1212022102111), we get a palindrome (2324034304232).

The spelling of 1112012202121 in words is "one trillion, one hundred twelve billion, twelve million, two hundred two thousand, one hundred twenty-one".