20011022220112 has 80 divisors (see below), whose sum is σ = 49130744966784. Its totient is φ = 7668690624000.

The previous prime is 20011022220089. The next prime is 20011022220127. The reversal of 20011022220112 is 21102222011002.

It is a happy number.

It is a super-3 number, since 3×20011022220112³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133061839 + ... + 133212142.

Almost surely, 2^{20011022220112} is an apocalyptic number.

20011022220112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20011022220112 is an abundant number, since it is smaller than the sum of its proper divisors (29119722746672).

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

20011022220112 is a wasteful number, since it uses less digits than its factorization.

20011022220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266274068 (or 266274062 counting only the distinct ones).

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

Adding to 20011022220112 its reverse (21102222011002), we get a palindrome (41113244231114).

The spelling of 20011022220112 in words is "twenty trillion, eleven billion, twenty-two million, two hundred twenty thousand, one hundred twelve".