20112103401222 has 64 divisors (see below), whose sum is σ = 47970126996480. Its totient is φ = 5496373876224.

The previous prime is 20112103401211. The next prime is 20112103401241. The reversal of 20112103401222 is 22210430121102.

It is a happy number.

It is a super-2 number, since 2×20112103401222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 62754778 + ... + 63074450.

It is an arithmetic number, because the mean of its divisors is an integer number (749533234320).

Almost surely, 2^{20112103401222} is an apocalyptic number.

20112103401222 is an abundant number, since it is smaller than the sum of its proper divisors (27858023595258).

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

20112103401222 is a wasteful number, since it uses less digits than its factorization.

20112103401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384837.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20112103401222 its reverse (22210430121102), we get a palindrome (42322533522324).

The spelling of 20112103401222 in words is "twenty trillion, one hundred twelve billion, one hundred three million, four hundred one thousand, two hundred twenty-two".