21122010112002 has 16 divisors (see below), whose sum is σ = 42822705433440. Its totient is φ = 6944222502432.

The previous prime is 21122010111991. The next prime is 21122010112097. The reversal of 21122010112002 is 20021101022112.

It is a super-2 number, since 2×21122010112002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24111883252 + ... + 24111884127.

It is an arithmetic number, because the mean of its divisors is an integer number (2676419089590).

Almost surely, 2^{21122010112002} is an apocalyptic number.

21122010112002 is an abundant number, since it is smaller than the sum of its proper divisors (21700695321438).

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

21122010112002 is a wasteful number, since it uses less digits than its factorization.

21122010112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48223767457.

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

Adding to 21122010112002 its reverse (20021101022112), we get a palindrome (41143111134114).

The spelling of 21122010112002 in words is "twenty-one trillion, one hundred twenty-two billion, ten million, one hundred twelve thousand, two".