120110021011 has 4 divisors (see below), whose sum is σ = 120233719224. Its totient is φ = 119986322800.

The previous prime is 120110020993. The next prime is 120110021023. The reversal of 120110021011 is 110120011021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110120011021 = 53 ⋅2077736057.

It is a cyclic number.

It is not a de Polignac number, because 120110021011 - 2³⁵ = 85750282643 is a prime.

It is a super-2 number, since 2×120110021011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120110021041) 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, 61847650 + ... + 61849591.

It is an arithmetic number, because the mean of its divisors is an integer number (30058429806).

Almost surely, 2^120110021011 is an apocalyptic number.

120110021011 is a deficient number, since it is larger than the sum of its proper divisors (123698213).

120110021011 is an equidigital number, since it uses as much as digits as its factorization.

120110021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123698212.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120110021011 its reverse (110120011021), we get a palindrome (230230032032).

The spelling of 120110021011 in words is "one hundred twenty billion, one hundred ten million, twenty-one thousand, eleven".