120100212201021 has 16 divisors (see below), whose sum is σ = 172617565236480. Its totient is φ = 73836689256000.

The previous prime is 120100212200977. The next prime is 120100212201037. The reversal of 120100212201021 is 120102212001021.

It is not a de Polignac number, because 120100212201021 - 2¹⁴ = 120100212184637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100212201061) 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, 1481909730 + ... + 1481990771.

It is an arithmetic number, because the mean of its divisors is an integer number (10788597827280).

Almost surely, 2^{120100212201021} is an apocalyptic number.

It is an amenable number.

120100212201021 is a deficient number, since it is larger than the sum of its proper divisors (52517353035459).

120100212201021 is a wasteful number, since it uses less digits than its factorization.

120100212201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963901556.

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

Adding to 120100212201021 its reverse (120102212001021), we get a palindrome (240202424202042).

The spelling of 120100212201021 in words is "one hundred twenty trillion, one hundred billion, two hundred twelve million, two hundred one thousand, twenty-one".