1021112212002 has 16 divisors (see below), whose sum is σ = 2068075367040. Its totient is φ = 336062246832.

The previous prime is 1021112211989. The next prime is 1021112212007. The reversal of 1021112212002 is 2002122111201.

It is not an unprimeable number, because it can be changed into a prime (1021112212007) 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, 1077122113 + ... + 1077123060.

It is an arithmetic number, because the mean of its divisors is an integer number (129254710440).

Almost surely, 2^{1021112212002} is an apocalyptic number.

1021112212002 is an abundant number, since it is smaller than the sum of its proper divisors (1046963155038).

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

1021112212002 is a wasteful number, since it uses less digits than its factorization.

1021112212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154245257.

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

Adding to 1021112212002 its reverse (2002122111201), we get a palindrome (3023234323203).

The spelling of 1021112212002 in words is "one trillion, twenty-one billion, one hundred twelve million, two hundred twelve thousand, two".