20112120100002 has 64 divisors (see below), whose sum is σ = 47478904233984. Its totient is φ = 5557975643520.

The previous prime is 20112120099983. The next prime is 20112120100019. The reversal of 20112120100002 is 20000102121102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1706043 + ... + 6567710.

It is an arithmetic number, because the mean of its divisors is an integer number (741857878656).

Almost surely, 2^{20112120100002} is an apocalyptic number.

20112120100002 is an abundant number, since it is smaller than the sum of its proper divisors (27366784133982).

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

20112120100002 is a wasteful number, since it uses less digits than its factorization.

20112120100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275663.

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

Adding to 20112120100002 its reverse (20000102121102), we get a palindrome (40112222221104).

The spelling of 20112120100002 in words is "twenty trillion, one hundred twelve billion, one hundred twenty million, one hundred thousand, two".