122113102312001 has 4 divisors (see below), whose sum is σ = 122113428341892. Its totient is φ = 122112776282112.

The previous prime is 122113102311997. The next prime is 122113102312127. The reversal of 122113102312001 is 100213201311221.

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 78961866830401 + 43151235481600 = 8886049^2 + 6568960^2 .

It is a cyclic number.

It is not a de Polignac number, because 122113102312001 - 2² = 122113102311997 is a prime.

It is a super-2 number, since 2×122113102312001² (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 (122113102612001) 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, 162452480 + ... + 163202433.

It is an arithmetic number, because the mean of its divisors is an integer number (30528357085473).

Almost surely, 2^{122113102312001} is an apocalyptic number.

It is an amenable number.

122113102312001 is a deficient number, since it is larger than the sum of its proper divisors (326029891).

122113102312001 is an equidigital number, since it uses as much as digits as its factorization.

122113102312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326029890.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 122113102312001 its reverse (100213201311221), we get a palindrome (222326303623222).

The spelling of 122113102312001 in words is "one hundred twenty-two trillion, one hundred thirteen billion, one hundred two million, three hundred twelve thousand, one".