122111101010113 has 4 divisors (see below), whose sum is σ = 122112203435460. Its totient is φ = 122109998584768.

The previous prime is 122111101010099. The next prime is 122111101010183. The reversal of 122111101010113 is 311010101111221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45776753285904 + 76334347724209 = 6765852^2 + 8736953^2 .

It is a cyclic number.

It is not a de Polignac number, because 122111101010113 - 2⁴¹ = 119912077754561 is a prime.

It is a super-2 number, since 2×122111101010113² (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 (122111101010183) 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, 551046508 + ... + 551268061.

It is an arithmetic number, because the mean of its divisors is an integer number (30528050858865).

Almost surely, 2^{122111101010113} is an apocalyptic number.

It is an amenable number.

122111101010113 is a deficient number, since it is larger than the sum of its proper divisors (1102425347).

122111101010113 is a wasteful number, since it uses less digits than its factorization.

122111101010113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102425346.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 122111101010113 its reverse (311010101111221), we get a palindrome (433121202121334).

The spelling of 122111101010113 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred one million, ten thousand, one hundred thirteen".