122122012022100 has 72 divisors (see below), whose sum is σ = 392599653472320. Its totient is φ = 32565869871840.

The previous prime is 122122012022039. The next prime is 122122012022111. The reversal of 122122012022100 is 1220210221221.

It is a happy number.

122122012022100 is a `hidden beast` number, since 1 + 221 + 2 + 201 + 20 + 221 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22615184712 + ... + 22615190111.

Almost surely, 2^{122122012022100} is an apocalyptic number.

122122012022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122012022100 is an abundant number, since it is smaller than the sum of its proper divisors (270477641450220).

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

122122012022100 is a wasteful number, since it uses less digits than its factorization.

122122012022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45230374846 (or 45230374833 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122122012022100 its reverse (1220210221221), we get a palindrome (123342222243321).

The spelling of 122122012022100 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twelve million, twenty-two thousand, one hundred".