122220011311 has 8 divisors (see below), whose sum is σ = 122348361600. Its totient is φ = 122091704280.

The previous prime is 122220011281. The next prime is 122220011357. The reversal of 122220011311 is 113110022221.

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 122220011311 - 2⁷ = 122220011183 is a prime.

It is a super-4 number, since 4×122220011311⁴ (a number of 45 digits) contains 4444 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 (122220011371) 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, 11375580 + ... + 11386318.

It is an arithmetic number, because the mean of its divisors is an integer number (15293545200).

Almost surely, 2^122220011311 is an apocalyptic number.

122220011311 is a deficient number, since it is larger than the sum of its proper divisors (128350289).

122220011311 is a wasteful number, since it uses less digits than its factorization.

122220011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21629.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122220011311 its reverse (113110022221), we get a palindrome (235330033532).

The spelling of 122220011311 in words is "one hundred twenty-two billion, two hundred twenty million, eleven thousand, three hundred eleven".