122010000120021 has 32 divisors (see below), whose sum is σ = 181242107746560. Its totient is φ = 72491167655424.

The previous prime is 122010000119957. The next prime is 122010000120031. The reversal of 122010000120021 is 120021000010221.

It is not a de Polignac number, because 122010000120021 - 2⁶ = 122010000119957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122010000119979 and 122010000120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010000120031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26971545 + ... + 31168641.

It is an arithmetic number, because the mean of its divisors is an integer number (5663815867080).

Almost surely, 2^{122010000120021} is an apocalyptic number.

It is an amenable number.

122010000120021 is a deficient number, since it is larger than the sum of its proper divisors (59232107626539).

122010000120021 is a wasteful number, since it uses less digits than its factorization.

122010000120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222845.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122010000120021 its reverse (120021000010221), we get a palindrome (242031000130242).

The spelling of 122010000120021 in words is "one hundred twenty-two trillion, ten billion, one hundred twenty thousand, twenty-one".