122100222020 has 24 divisors (see below), whose sum is σ = 293040533184. Its totient is φ = 41862933216.

The previous prime is 122100221993. The next prime is 122100222029. The reversal of 122100222020 is 20222001221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 122100221986 and 122100222004.

It is not an unprimeable number, because it can be changed into a prime (122100222029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436072082 + ... + 436072361.

It is an arithmetic number, because the mean of its divisors is an integer number (12210022216).

Almost surely, 2^122100222020 is an apocalyptic number.

122100222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100222020 is an abundant number, since it is smaller than the sum of its proper divisors (170940311164).

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

122100222020 is a wasteful number, since it uses less digits than its factorization.

122100222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872144459 (or 872144457 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122100222020 its reverse (20222001221), we get a palindrome (142322223241).

The spelling of 122100222020 in words is "one hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, twenty".