122020012121111 has 8 divisors (see below), whose sum is σ = 131796096183024. Its totient is φ = 112299632242560.

The previous prime is 122020012121041. The next prime is 122020012121167. The reversal of 122020012121111 is 111121210020221.

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 122020012121111 - 2¹⁸ = 122020011858967 is a prime.

It is a super-2 number, since 2×122020012121111² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122020012121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020012121171) 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, 13926041285 + ... + 13926050046.

It is an arithmetic number, because the mean of its divisors is an integer number (16474512022878).

Almost surely, 2^{122020012121111} is an apocalyptic number.

122020012121111 is a deficient number, since it is larger than the sum of its proper divisors (9776084061913).

122020012121111 is a wasteful number, since it uses less digits than its factorization.

122020012121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27852091681.

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

Adding to 122020012121111 its reverse (111121210020221), we get a palindrome (233141222141332).

The spelling of 122020012121111 in words is "one hundred twenty-two trillion, twenty billion, twelve million, one hundred twenty-one thousand, one hundred eleven".