122022002100 has 72 divisors (see below), whose sum is σ = 353847664800. Its totient is φ = 32465713280.

The previous prime is 122022002071. The next prime is 122022002119. The reversal of 122022002100 is 1200220221.

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, 326175 + ... + 591974.

It is an arithmetic number, because the mean of its divisors is an integer number (4914550900).

Almost surely, 2^122022002100 is an apocalyptic number.

122022002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122022002100 is an abundant number, since it is smaller than the sum of its proper divisors (231825662700).

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

122022002100 is a wasteful number, since it uses less digits than its factorization.

122022002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918609 (or 918602 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122022002100 its reverse (1200220221), we get a palindrome (123222222321).

The spelling of 122022002100 in words is "one hundred twenty-two billion, twenty-two million, two thousand, one hundred".