122102121320111 has 4 divisors (see below), whose sum is σ = 122129480079072. Its totient is φ = 122074762561152.

The previous prime is 122102121320099. The next prime is 122102121320141. The reversal of 122102121320111 is 111023121201221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122102121320111 - 2¹⁴ = 122102121303727 is a prime.

It is a super-2 number, since 2×122102121320111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102121320141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13679372786 + ... + 13679381711.

It is an arithmetic number, because the mean of its divisors is an integer number (30532370019768).

Almost surely, 2^{122102121320111} is an apocalyptic number.

122102121320111 is a deficient number, since it is larger than the sum of its proper divisors (27358758961).

122102121320111 is an equidigital number, since it uses as much as digits as its factorization.

122102121320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27358758960.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 122102121320111 its reverse (111023121201221), we get a palindrome (233125242521332).

The spelling of 122102121320111 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty-one million, three hundred twenty thousand, one hundred eleven".