120021022121001 has 16 divisors (see below), whose sum is σ = 165191178382848. Its totient is φ = 77432470128000.

The previous prime is 120021022120997. The next prime is 120021022121111. The reversal of 120021022121001 is 100121220120021.

It is not a de Polignac number, because 120021022121001 - 2² = 120021022120997 is a prime.

It is a super-2 number, since 2×120021022121001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120021022121701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12849565 + ... + 20128421.

It is an arithmetic number, because the mean of its divisors is an integer number (10324448648928).

Almost surely, 2^{120021022121001} is an apocalyptic number.

It is an amenable number.

120021022121001 is a deficient number, since it is larger than the sum of its proper divisors (45170156261847).

120021022121001 is a wasteful number, since it uses less digits than its factorization.

120021022121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456192.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120021022121001 its reverse (100121220120021), we get a palindrome (220142242241022).

The spelling of 120021022121001 in words is "one hundred twenty trillion, twenty-one billion, twenty-two million, one hundred twenty-one thousand, one".