311201311212022 has 32 divisors (see below), whose sum is σ = 586234947087360. Its totient is φ = 120362247574080.

The previous prime is 311201311212007. The next prime is 311201311212023. The reversal of 311201311212022 is 220212113102113.

It is a happy number.

It is a super-2 number, since 2×311201311212022² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 311201311211984 and 311201311212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311201311212023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7375116622 + ... + 7375158817.

It is an arithmetic number, because the mean of its divisors is an integer number (18319842096480).

Almost surely, 2^{311201311212022} is an apocalyptic number.

311201311212022 is a deficient number, since it is larger than the sum of its proper divisors (275033635875338).

311201311212022 is a wasteful number, since it uses less digits than its factorization.

311201311212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14750275596.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 311201311212022 its reverse (220212113102113), we get a palindrome (531413424314135).

The spelling of 311201311212022 in words is "three hundred eleven trillion, two hundred one billion, three hundred eleven million, two hundred twelve thousand, twenty-two".