31122233021122 has 8 divisors (see below), whose sum is σ = 46684205658000. Its totient is φ = 15560831135124.

The previous prime is 31122233021119. The next prime is 31122233021167. The reversal of 31122233021122 is 22112033222113.

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

It is a super-2 number, since 2×31122233021122² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142551372 + ... + 142769527.

It is an arithmetic number, because the mean of its divisors is an integer number (5835525707250).

Almost surely, 2^{31122233021122} is an apocalyptic number.

31122233021122 is a deficient number, since it is larger than the sum of its proper divisors (15561972636878).

31122233021122 is a wasteful number, since it uses less digits than its factorization.

31122233021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285375440.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31122233021122 its reverse (22112033222113), we get a palindrome (53234266243235).

The spelling of 31122233021122 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, twenty-one thousand, one hundred twenty-two".