122110010100 has 108 divisors (see below), whose sum is σ = 412189162476. Its totient is φ = 30057845760.

The previous prime is 122110010083. The next prime is 122110010117. The reversal of 122110010100 is 1010011221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122110010083) and next prime (122110010117).

It can be written as a sum of positive squares in 6 ways, for example, as 4167218916 + 117942791184 = 64554^2 + 343428^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5206677 + ... + 5230076.

Almost surely, 2^122110010100 is an apocalyptic number.

122110010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122110010100 is an abundant number, since it is smaller than the sum of its proper divisors (290079152376).

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

122110010100 is a wasteful number, since it uses less digits than its factorization.

122110010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436786 (or 10436776 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 122110010100 its reverse (1010011221), we get a palindrome (123120021321).

The spelling of 122110010100 in words is "one hundred twenty-two billion, one hundred ten million, ten thousand, one hundred".