120100220212201 has 6 divisors (see below), whose sum is σ = 124384413561902. Its totient is φ = 115958833307520.

The previous prime is 120100220212169. The next prime is 120100220212223. The reversal of 120100220212201 is 102212022001021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2175802003600 + 117924418208601 = 1475060^2 + 10859301^2 .

It is not a de Polignac number, because 120100220212201 - 2⁵ = 120100220212169 is a prime.

It is a super-2 number, since 2×120100220212201² (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 (120100220212001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71403221640 + ... + 71403223321.

Almost surely, 2^{120100220212201} is an apocalyptic number.

It is an amenable number.

120100220212201 is a deficient number, since it is larger than the sum of its proper divisors (4284193349701).

120100220212201 is an equidigital number, since it uses as much as digits as its factorization.

120100220212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142806445019 (or 142806444990 counting only the distinct ones).

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

Adding to 120100220212201 its reverse (102212022001021), we get a palindrome (222312242213222).

The spelling of 120100220212201 in words is "one hundred twenty trillion, one hundred billion, two hundred twenty million, two hundred twelve thousand, two hundred one".