122001110100100 has 144 divisors (see below), whose sum is σ = 347440482385920. Its totient is φ = 36024934723200.

The previous prime is 122001110100071. The next prime is 122001110100109. The reversal of 122001110100100 is 1001011100221.

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

It is not an unprimeable number, because it can be changed into a prime (122001110100109) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 416808964 + ... + 417101563.

It is an arithmetic number, because the mean of its divisors is an integer number (2412781127680).

Almost surely, 2^{122001110100100} is an apocalyptic number.

122001110100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001110100100 is an abundant number, since it is smaller than the sum of its proper divisors (225439372285820).

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

122001110100100 is a wasteful number, since it uses less digits than its factorization.

122001110100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833910578 (or 833910571 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 122001110100100 its reverse (1001011100221), we get a palindrome (123002121200321).

The spelling of 122001110100100 in words is "one hundred twenty-two trillion, one billion, one hundred ten million, one hundred thousand, one hundred".