122020110002100 has 36 divisors (see below), whose sum is σ = 353044851606944. Its totient is φ = 32538696000480.

The previous prime is 122020110002083. The next prime is 122020110002107. The reversal of 122020110002100 is 1200011020221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020110002107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203366849704 + ... + 203366850303.

Almost surely, 2^{122020110002100} is an apocalyptic number.

122020110002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020110002100 is an abundant number, since it is smaller than the sum of its proper divisors (231024741604844).

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

122020110002100 is a wasteful number, since it uses less digits than its factorization.

122020110002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406733700024 (or 406733700017 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122020110002100 its reverse (1200011020221), we get a palindrome (123220121022321).

The spelling of 122020110002100 in words is "one hundred twenty-two trillion, twenty billion, one hundred ten million, two thousand, one hundred".