120221110102011 has 24 divisors (see below), whose sum is σ = 166258041793584. Its totient is φ = 77269398111360.

The previous prime is 120221110101991. The next prime is 120221110102013. The reversal of 120221110102011 is 110201011122021.

It is a happy number.

It is not a de Polignac number, because 120221110102011 - 2³⁰ = 120220036360187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120221110102013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33484000 + ... + 36900141.

It is an arithmetic number, because the mean of its divisors is an integer number (6927418408066).

Almost surely, 2^{120221110102011} is an apocalyptic number.

120221110102011 is a deficient number, since it is larger than the sum of its proper divisors (46036931691573).

120221110102011 is an equidigital number, since it uses as much as digits as its factorization.

120221110102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70384879 (or 70384850 counting only the distinct ones).

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

Adding to 120221110102011 its reverse (110201011122021), we get a palindrome (230422121224032).

The spelling of 120221110102011 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred ten million, one hundred two thousand, eleven".