120011220111 has 32 divisors (see below), whose sum is σ = 168055275520. Its totient is φ = 76079865600.

The previous prime is 120011220083. The next prime is 120011220137. The reversal of 120011220111 is 111022110021.

It is not a de Polignac number, because 120011220111 - 2¹³ = 120011211919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011220211) 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, 5849970 + ... + 5870448.

It is an arithmetic number, because the mean of its divisors is an integer number (5251727360).

Almost surely, 2^120011220111 is an apocalyptic number.

120011220111 is a deficient number, since it is larger than the sum of its proper divisors (48044055409).

120011220111 is a wasteful number, since it uses less digits than its factorization.

120011220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21607.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120011220111 its reverse (111022110021), we get a palindrome (231033330132).

The spelling of 120011220111 in words is "one hundred twenty billion, eleven million, two hundred twenty thousand, one hundred eleven".