122642011711 has 16 divisors (see below), whose sum is σ = 130162546080. Its totient is φ = 115155855360.

The previous prime is 122642011697. The next prime is 122642011727. The reversal of 122642011711 is 117110246221.

It is a cyclic number.

It is not a de Polignac number, because 122642011711 - 2¹¹ = 122642009663 is a prime.

It is a super-2 number, since 2×122642011711² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122642011711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122642011741) 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, 13666456 + ... + 13675426.

It is an arithmetic number, because the mean of its divisors is an integer number (8135159130).

Almost surely, 2^122642011711 is an apocalyptic number.

122642011711 is a deficient number, since it is larger than the sum of its proper divisors (7520534369).

122642011711 is a wasteful number, since it uses less digits than its factorization.

122642011711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10794.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 122642011711 its reverse (117110246221), we get a palindrome (239752257932).

The spelling of 122642011711 in words is "one hundred twenty-two billion, six hundred forty-two million, eleven thousand, seven hundred eleven".