120121010210003 has 32 divisors (see below), whose sum is σ = 138852584391168. Its totient is φ = 102700919692800.

The previous prime is 120121010209943. The next prime is 120121010210009. The reversal of 120121010210003 is 300012010121021.

It is not a de Polignac number, because 120121010210003 - 2⁶ = 120121010209939 is a prime.

It is a super-2 number, since 2×120121010210003² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120121010210003.

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 31 ways as a sum of consecutive naturals, for example, 3164641301 + ... + 3164679257.

It is an arithmetic number, because the mean of its divisors is an integer number (4339143262224).

Almost surely, 2^{120121010210003} is an apocalyptic number.

120121010210003 is a deficient number, since it is larger than the sum of its proper divisors (18731574181165).

120121010210003 is a wasteful number, since it uses less digits than its factorization.

120121010210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50123.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120121010210003 its reverse (300012010121021), we get a palindrome (420133020331024).

The spelling of 120121010210003 in words is "one hundred twenty trillion, one hundred twenty-one billion, ten million, two hundred ten thousand, three".