1021112012202 has 16 divisors (see below), whose sum is σ = 2043202594752. Its totient is φ = 340207575680.

The previous prime is 1021112012191. The next prime is 1021112012209. The reversal of 1021112012202 is 2022102111201.

It is not an unprimeable number, because it can be changed into a prime (1021112012209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40760199 + ... + 40785242.

It is an arithmetic number, because the mean of its divisors is an integer number (127700162172).

Almost surely, 2^{1021112012202} is an apocalyptic number.

1021112012202 is an abundant number, since it is smaller than the sum of its proper divisors (1022090582550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021112012202 is a wasteful number, since it uses less digits than its factorization.

1021112012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81547533.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021112012202 its reverse (2022102111201), we get a palindrome (3043214123403).

The spelling of 1021112012202 in words is "one trillion, twenty-one billion, one hundred twelve million, twelve thousand, two hundred two".