122012120111 has 8 divisors (see below), whose sum is σ = 139444572960. Its totient is φ = 104580204768.

The previous prime is 122012120057. The next prime is 122012120117. The reversal of 122012120111 is 111021210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122012120111 - 2¹⁰ = 122012119087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012120117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685805 + ... + 845193.

It is an arithmetic number, because the mean of its divisors is an integer number (17430571620).

Almost surely, 2^122012120111 is an apocalyptic number.

122012120111 is a deficient number, since it is larger than the sum of its proper divisors (17432452849).

122012120111 is a wasteful number, since it uses less digits than its factorization.

122012120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268753.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122012120111 its reverse (111021210221), we get a palindrome (233033330332).

It can be divided in two parts, 12201 and 2120111, that added together give a palindrome (2132312).

The spelling of 122012120111 in words is "one hundred twenty-two billion, twelve million, one hundred twenty thousand, one hundred eleven".