10112222120020 has 24 divisors (see below), whose sum is σ = 21245783580000. Its totient is φ = 4042961776032.

The previous prime is 10112222120009. The next prime is 10112222120027. The reversal of 10112222120020 is 2002122221101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10112222119976 and 10112222120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112222120027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120398970 + ... + 120482929.

It is an arithmetic number, because the mean of its divisors is an integer number (885240982500).

Almost surely, 2^{10112222120020} is an apocalyptic number.

10112222120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112222120020 is an abundant number, since it is smaller than the sum of its proper divisors (11133561459980).

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

10112222120020 is a wasteful number, since it uses less digits than its factorization.

10112222120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240884007 (or 240884005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10112222120020 its reverse (2002122221101), we get a palindrome (12114344341121).

The spelling of 10112222120020 in words is "ten trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty thousand, twenty".