122020223222100 has 144 divisors (see below), whose sum is σ = 403485308287488. Its totient is φ = 27889983960960.

The previous prime is 122020223222081. The next prime is 122020223222123. The reversal of 122020223222100 is 1222322020221.

It is a super-2 number, since 2×122020223222100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188902279 + ... + 189547121.

It is an arithmetic number, because the mean of its divisors is an integer number (2801981307552).

Almost surely, 2^{122020223222100} is an apocalyptic number.

122020223222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020223222100 is an abundant number, since it is smaller than the sum of its proper divisors (281465085065388).

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

122020223222100 is a wasteful number, since it uses less digits than its factorization.

122020223222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734974 (or 734967 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 122020223222100 its reverse (1222322020221), we get a palindrome (123242545242321).

The spelling of 122020223222100 in words is "one hundred twenty-two trillion, twenty billion, two hundred twenty-three million, two hundred twenty-two thousand, one hundred".