120020120112021 has 32 divisors (see below), whose sum is σ = 182903931221760. Its totient is φ = 69548655289344.

The previous prime is 120020120112019. The next prime is 120020120112029. The reversal of 120020120112021 is 120211021020021.

It is not a de Polignac number, because 120020120112021 - 2¹ = 120020120112019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020120112029) 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, 1764085690 + ... + 1764153723.

It is an arithmetic number, because the mean of its divisors is an integer number (5715747850680).

Almost surely, 2^{120020120112021} is an apocalyptic number.

It is an amenable number.

120020120112021 is a deficient number, since it is larger than the sum of its proper divisors (62883811109739).

120020120112021 is a wasteful number, since it uses less digits than its factorization.

120020120112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528239485.

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

Adding to 120020120112021 its reverse (120211021020021), we get a palindrome (240231141132042).

The spelling of 120020120112021 in words is "one hundred twenty trillion, twenty billion, one hundred twenty million, one hundred twelve thousand, twenty-one".