20122212011100 has 36 divisors (see below), whose sum is σ = 58220266752984. Its totient is φ = 5365923202880.

The previous prime is 20122212011063. The next prime is 20122212011113. The reversal of 20122212011100 is 111021222102.

20122212011100 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20122212011100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33537019719 + ... + 33537020318.

Almost surely, 2^{20122212011100} is an apocalyptic number.

20122212011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122212011100 is an abundant number, since it is smaller than the sum of its proper divisors (38098054741884).

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

20122212011100 is a wasteful number, since it uses less digits than its factorization.

20122212011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67074040054 (or 67074040047 counting only the distinct ones).

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

Adding to 20122212011100 its reverse (111021222102), we get a palindrome (20233233233202).

The spelling of 20122212011100 in words is "twenty trillion, one hundred twenty-two billion, two hundred twelve million, eleven thousand, one hundred".