122021120022021 has 96 divisors (see below), whose sum is σ = 193651495464960. Its totient is φ = 73425090211200.

The previous prime is 122021120022017. The next prime is 122021120022119. The reversal of 122021120022021 is 120220021120221.

It is a happy number.

122021120022021 is a `hidden beast` number, since 1 + 220 + 2 + 1 + 1 + 200 + 220 + 21 = 666.

It is not a de Polignac number, because 122021120022021 - 2² = 122021120022017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122021120021985 and 122021120022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021120222021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28758216126 + ... + 28758220368.

It is an arithmetic number, because the mean of its divisors is an integer number (2017203077760).

Almost surely, 2^{122021120022021} is an apocalyptic number.

122021120022021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122021120022021 is a deficient number, since it is larger than the sum of its proper divisors (71630375442939).

122021120022021 is a wasteful number, since it uses less digits than its factorization.

122021120022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807 (or 7804 counting only the distinct ones).

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

Adding to 122021120022021 its reverse (120220021120221), we get a palindrome (242241141142242).

The spelling of 122021120022021 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred twenty million, twenty-two thousand, twenty-one".