122222122122113 has 4 divisors (see below), whose sum is σ = 131623823823828. Its totient is φ = 112820420420400.

The previous prime is 122222122122101. The next prime is 122222122122131. The reversal of 122222122122113 is 311221221222221.

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 27801702743824 + 94420419378289 = 5272732^2 + 9717017^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222122122113 - 2⁸ = 122222122121857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122222122122173) 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, 4700850850838 + ... + 4700850850863.

It is an arithmetic number, because the mean of its divisors is an integer number (32905955955957).

Almost surely, 2^{122222122122113} is an apocalyptic number.

122222122122113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122222122122113 is a deficient number, since it is larger than the sum of its proper divisors (9401701701715).

122222122122113 is an equidigital number, since it uses as much as digits as its factorization.

122222122122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401701701714.

The product of its digits is 1536, while the sum is 26.

Adding to 122222122122113 its reverse (311221221222221), we get a palindrome (433443343344334).

The spelling of 122222122122113 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred thirteen".