120121010210001 has 16 divisors (see below), whose sum is σ = 161691050006528. Its totient is φ = 79317920304000.

The previous prime is 120121010209943. The next prime is 120121010210009. The reversal of 120121010210001 is 100012010121021.

It is not a de Polignac number, because 120121010210001 - 2²² = 120121006015697 is a prime.

It is a super-2 number, since 2×120121010210001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121010210009) 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, 262065730 + ... + 262523691.

It is an arithmetic number, because the mean of its divisors is an integer number (10105690625408).

Almost surely, 2^{120121010210001} is an apocalyptic number.

It is an amenable number.

120121010210001 is a deficient number, since it is larger than the sum of its proper divisors (41570039796527).

120121010210001 is a wasteful number, since it uses less digits than its factorization.

120121010210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524590152.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120121010210001 its reverse (100012010121021), we get a palindrome (220133020331022).

The spelling of 120121010210001 in words is "one hundred twenty trillion, one hundred twenty-one billion, ten million, two hundred ten thousand, one".