122100055330 has 64 divisors (see below), whose sum is σ = 245703580416. Its totient is φ = 43300224000.

The previous prime is 122100055327. The next prime is 122100055333. The reversal of 122100055330 is 33550001221.

It is an interprime number because it is at equal distance from previous prime (122100055327) and next prime (122100055333).

It is a super-2 number, since 2×122100055330² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (122100055333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19944670 + ... + 19950790.

It is an arithmetic number, because the mean of its divisors is an integer number (3839118444).

Almost surely, 2^122100055330 is an apocalyptic number.

122100055330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100055330 is an abundant number, since it is smaller than the sum of its proper divisors (123603525086).

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

122100055330 is a wasteful number, since it uses less digits than its factorization.

122100055330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 122100055330 its reverse (33550001221), we get a palindrome (155650056551).

The spelling of 122100055330 in words is "one hundred twenty-two billion, one hundred million, fifty-five thousand, three hundred thirty".