20112111220002 has 16 divisors (see below), whose sum is σ = 40224307514880. Its totient is φ = 6704022894192.

The previous prime is 20112111219989. The next prime is 20112111220027. The reversal of 20112111220002 is 20002211121102.

It is an unprimeable number.

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, 233602 + ... + 6346557.

It is an arithmetic number, because the mean of its divisors is an integer number (2514019219680).

Almost surely, 2^{20112111220002} is an apocalyptic number.

20112111220002 is an abundant number, since it is smaller than the sum of its proper divisors (20112196294878).

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

20112111220002 is a wasteful number, since it uses less digits than its factorization.

20112111220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089577.

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

Adding to 20112111220002 its reverse (20002211121102), we get a palindrome (40114322341104).

The spelling of 20112111220002 in words is "twenty trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty thousand, two".