20122011110100 has 72 divisors (see below), whose sum is σ = 58541341357408. Its totient is φ = 5336223926400.

The previous prime is 20122011110087. The next prime is 20122011110111. The reversal of 20122011110100 is 101111022102.

It is a super-2 number, since 2×20122011110100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185231254 + ... + 185339853.

Almost surely, 2^{20122011110100} is an apocalyptic number.

20122011110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122011110100 is an abundant number, since it is smaller than the sum of its proper divisors (38419330247308).

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

20122011110100 is a wasteful number, since it uses less digits than its factorization.

20122011110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370571305 (or 370571298 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20122011110100 its reverse (101111022102), we get a palindrome (20223122132202).

The spelling of 20122011110100 in words is "twenty trillion, one hundred twenty-two billion, eleven million, one hundred ten thousand, one hundred".