120022122100021 has 8 divisors (see below), whose sum is σ = 127385545855680. Its totient is φ = 112692398225088.

The previous prime is 120022122099989. The next prime is 120022122100061. The reversal of 120022122100021 is 120001221220021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120022122100021 - 2⁵ = 120022122099989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120022122099968 and 120022122100004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022122100061) 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, 8424962841 + ... + 8424977086.

It is an arithmetic number, because the mean of its divisors is an integer number (15923193231960).

Almost surely, 2^{120022122100021} is an apocalyptic number.

It is an amenable number.

120022122100021 is a deficient number, since it is larger than the sum of its proper divisors (7363423755659).

120022122100021 is a wasteful number, since it uses less digits than its factorization.

120022122100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16849940363.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120022122100021 its reverse (120001221220021), we get a palindrome (240023343320042).

The spelling of 120022122100021 in words is "one hundred twenty trillion, twenty-two billion, one hundred twenty-two million, one hundred thousand, twenty-one".