122100102100 has 36 divisors (see below), whose sum is σ = 264976096000. Its totient is φ = 48836561760.

The previous prime is 122100102053. The next prime is 122100102119. The reversal of 122100102100 is 1201001221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1725211 + ... + 1794589.

Almost surely, 2^122100102100 is an apocalyptic number.

122100102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100102100 is an abundant number, since it is smaller than the sum of its proper divisors (142875993900).

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

122100102100 is a wasteful number, since it uses less digits than its factorization.

122100102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86992 (or 86985 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122100102100 its reverse (1201001221), we get a palindrome (123301103321).

The spelling of 122100102100 in words is "one hundred twenty-two billion, one hundred million, one hundred two thousand, one hundred".