122201312311 has 8 divisors (see below), whose sum is σ = 131607101024. Its totient is φ = 112796336160.

The previous prime is 122201312243. The next prime is 122201312341. The reversal of 122201312311 is 113213102221.

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 122201312311 - 2¹⁷ = 122201181239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201312341) 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, 129385 + ... + 511021.

It is an arithmetic number, because the mean of its divisors is an integer number (16450887628).

Almost surely, 2^122201312311 is an apocalyptic number.

122201312311 is a deficient number, since it is larger than the sum of its proper divisors (9405788713).

122201312311 is a wasteful number, since it uses less digits than its factorization.

122201312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406281.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122201312311 its reverse (113213102221), we get a palindrome (235414414532).

The spelling of 122201312311 in words is "one hundred twenty-two billion, two hundred one million, three hundred twelve thousand, three hundred eleven".