31101222210112 has 28 divisors (see below), whose sum is σ = 61746756099840. Its totient is φ = 15542984452736.

The previous prime is 31101222210103. The next prime is 31101222210127. The reversal of 31101222210112 is 21101222210113.

It is a self number, because there is not a number n which added to its sum of digits gives 31101222210112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119034928 + ... + 119295919.

It is an arithmetic number, because the mean of its divisors is an integer number (2205241289280).

Almost surely, 2^{31101222210112} is an apocalyptic number.

31101222210112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31101222210112 is a deficient number, since it is larger than the sum of its proper divisors (30645533889728).

31101222210112 is a wasteful number, since it uses less digits than its factorization.

31101222210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238332898 (or 238332888 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 31101222210112 its reverse (21101222210113), we get a palindrome (52202444420225).

Subtracting from 31101222210112 its reverse (21101222210113), we obtain a palindrome (9999999999999).

The spelling of 31101222210112 in words is "thirty-one trillion, one hundred one billion, two hundred twenty-two million, two hundred ten thousand, one hundred twelve".