122021011002020 has 72 divisors (see below), whose sum is σ = 277658056497024. Its totient is φ = 45023611371648.

The previous prime is 122021011001987. The next prime is 122021011002049. The reversal of 122021011002020 is 20200110120221.

It is a junction number, because it is equal to n+sod(n) for n = 122021011001986 and 122021011002004.

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, 7112774 + ... + 17164893.

It is an arithmetic number, because the mean of its divisors is an integer number (3856361895792).

Almost surely, 2^{122021011002020} is an apocalyptic number.

122021011002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021011002020 is an abundant number, since it is smaller than the sum of its proper divisors (155637045495004).

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

122021011002020 is a wasteful number, since it uses less digits than its factorization.

122021011002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24279189 (or 24279174 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122021011002020 its reverse (20200110120221), we get a palindrome (142221121122241).

The spelling of 122021011002020 in words is "one hundred twenty-two trillion, twenty-one billion, eleven million, two thousand, twenty".