31101113222222 has 8 divisors (see below), whose sum is σ = 49395885705936. Its totient is φ = 14635817986912.

The previous prime is 31101113222173. The next prime is 31101113222227. The reversal of 31101113222222 is 22222231110113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31101113222222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31101113222227) 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, 457369312058 + ... + 457369312125.

It is an arithmetic number, because the mean of its divisors is an integer number (6174485713242).

Almost surely, 2^{31101113222222} is an apocalyptic number.

31101113222222 is a deficient number, since it is larger than the sum of its proper divisors (18294772483714).

31101113222222 is a wasteful number, since it uses less digits than its factorization.

31101113222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914738624202.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31101113222222 its reverse (22222231110113), we get a palindrome (53323344332335).

The spelling of 31101113222222 in words is "thirty-one trillion, one hundred one billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred twenty-two".