122202122100 has 72 divisors (see below), whose sum is σ = 353609242560. Its totient is φ = 32583751680.

The previous prime is 122202122099. The next prime is 122202122111. The reversal of 122202122100 is 1221202221.

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 122202122100.

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, 4074961 + ... + 4104839.

It is an arithmetic number, because the mean of its divisors is an integer number (4911239480).

Almost surely, 2^122202122100 is an apocalyptic number.

122202122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202122100 is an abundant number, since it is smaller than the sum of its proper divisors (231407120460).

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

122202122100 is a wasteful number, since it uses less digits than its factorization.

122202122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43529 (or 43522 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122202122100 its reverse (1221202221), we get a palindrome (123423324321).

The spelling of 122202122100 in words is "one hundred twenty-two billion, two hundred two million, one hundred twenty-two thousand, one hundred".