122111201210011 has 32 divisors (see below), whose sum is σ = 142563445295040. Its totient is φ = 103558308102144.

The previous prime is 122111201209973. The next prime is 122111201210069. The reversal of 122111201210011 is 110012102111221.

It is a cyclic number.

It is not a de Polignac number, because 122111201210011 - 2¹⁹ = 122111200685723 is a prime.

It is a super-2 number, since 2×122111201210011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122111201210071) 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, 12010971 + ... + 19710043.

It is an arithmetic number, because the mean of its divisors is an integer number (4455107665470).

Almost surely, 2^{122111201210011} is an apocalyptic number.

122111201210011 is a deficient number, since it is larger than the sum of its proper divisors (20452244085029).

122111201210011 is a wasteful number, since it uses less digits than its factorization.

122111201210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700815.

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

Adding to 122111201210011 its reverse (110012102111221), we get a palindrome (232123303321232).

The spelling of 122111201210011 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred one million, two hundred ten thousand, eleven".