122100100 has 36 divisors (see below), whose sum is σ = 276482304. Its totient is φ = 46715680.

The previous prime is 122100073. The next prime is 122100107. The reversal of 122100100 is 1001221.

It is not an unprimeable number, because it can be changed into a prime (122100107) 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, 24244 + ... + 28843.

It is an arithmetic number, because the mean of its divisors is an integer number (7680064).

Almost surely, 2^122100100 is an apocalyptic number.

122100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100100 is an abundant number, since it is smaller than the sum of its proper divisors (154382204).

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

122100100 is a wasteful number, since it uses less digits than its factorization.

122100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53124 (or 53117 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 122100100 is about 11049.8914021813. The cubic root of 122100100 is about 496.1031750767.

Adding to 122100100 its reverse (1001221), we get a palindrome (123101321).

The spelling of 122100100 in words is "one hundred twenty-two million, one hundred thousand, one hundred".