122011021022111 has 16 divisors (see below), whose sum is σ = 131511379204800. Its totient is φ = 112527105292800.

The previous prime is 122011021022081. The next prime is 122011021022129. The reversal of 122011021022111 is 111220120110221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122011021022111 is a prime.

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 122011021022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011021022131) 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, 101383511 + ... + 102579911.

It is an arithmetic number, because the mean of its divisors is an integer number (8219461200300).

Almost surely, 2^{122011021022111} is an apocalyptic number.

122011021022111 is a deficient number, since it is larger than the sum of its proper divisors (9500358182689).

122011021022111 is a wasteful number, since it uses less digits than its factorization.

122011021022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203266.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122011021022111 its reverse (111220120110221), we get a palindrome (233231141132332).

The spelling of 122011021022111 in words is "one hundred twenty-two trillion, eleven billion, twenty-one million, twenty-two thousand, one hundred eleven".