120112211001021 has 16 divisors (see below), whose sum is σ = 162777295157760. Its totient is φ = 78761003814720.

The previous prime is 120112211001001. The next prime is 120112211001059. The reversal of 120112211001021 is 120100112211021.

It is a happy number.

It is not a de Polignac number, because 120112211001021 - 2⁵ = 120112211000989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112211001001) 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, 8631060 + ... + 17740338.

It is an arithmetic number, because the mean of its divisors is an integer number (10173580947360).

Almost surely, 2^{120112211001021} is an apocalyptic number.

It is an amenable number.

120112211001021 is a deficient number, since it is larger than the sum of its proper divisors (42665084156739).

120112211001021 is an equidigital number, since it uses as much as digits as its factorization.

120112211001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9181396.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120112211001021 its reverse (120100112211021), we get a palindrome (240212323212042).

The spelling of 120112211001021 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred eleven million, one thousand, twenty-one".