120213312213111 has 16 divisors (see below), whose sum is σ = 181698933440640. Its totient is φ = 70083874326240.

The previous prime is 120213312213079. The next prime is 120213312213179. The reversal of 120213312213111 is 111312213312021.

It is not a de Polignac number, because 120213312213111 - 2⁵ = 120213312213079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213312217111) 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, 81115594545 + ... + 81115596026.

It is an arithmetic number, because the mean of its divisors is an integer number (11356183340040).

Almost surely, 2^{120213312213111} is an apocalyptic number.

120213312213111 is a deficient number, since it is larger than the sum of its proper divisors (61485621227529).

120213312213111 is a wasteful number, since it uses less digits than its factorization.

120213312213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162231190606.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 120213312213111 its reverse (111312213312021), we get a palindrome (231525525525132).

The spelling of 120213312213111 in words is "one hundred twenty trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirteen thousand, one hundred eleven".