122021020212021 has 12 divisors (see below), whose sum is σ = 201431525429472. Its totient is φ = 69726297263976.

The previous prime is 122021020212019. The next prime is 122021020212023. The reversal of 122021020212021 is 120212020120221.

It is a happy number.

122021020212021 is a `hidden beast` number, since 1 + 220 + 210 + 2 + 0 + 212 + 0 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (122021020212019) and next prime (122021020212023).

It is not a de Polignac number, because 122021020212021 - 2¹ = 122021020212019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122021020211985 and 122021020212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021020212023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 968420795271 + ... + 968420795396.

It is an arithmetic number, because the mean of its divisors is an integer number (16785960452456).

Almost surely, 2^{122021020212021} is an apocalyptic number.

It is an amenable number.

122021020212021 is a deficient number, since it is larger than the sum of its proper divisors (79410505217451).

122021020212021 is a wasteful number, since it uses less digits than its factorization.

122021020212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936841590680 (or 1936841590677 counting only the distinct ones).

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

Adding to 122021020212021 its reverse (120212020120221), we get a palindrome (242233040332242).

The spelling of 122021020212021 in words is "one hundred twenty-two trillion, twenty-one billion, twenty million, two hundred twelve thousand, twenty-one".