120200220121 has 4 divisors (see below), whose sum is σ = 125426316672. Its totient is φ = 114974123572.

The previous prime is 120200220113. The next prime is 120200220131. The reversal of 120200220121 is 121022002021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121022002021 = 337 ⋅359115733.

It is a cyclic number.

It is not a de Polignac number, because 120200220121 - 2³ = 120200220113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120200220131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2613048241 + ... + 2613048286.

It is an arithmetic number, because the mean of its divisors is an integer number (31356579168).

Almost surely, 2^120200220121 is an apocalyptic number.

It is an amenable number.

120200220121 is a deficient number, since it is larger than the sum of its proper divisors (5226096551).

120200220121 is an equidigital number, since it uses as much as digits as its factorization.

120200220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226096550.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120200220121 its reverse (121022002021), we get a palindrome (241222222142).

The spelling of 120200220121 in words is "one hundred twenty billion, two hundred million, two hundred twenty thousand, one hundred twenty-one".