31122200122101 has 24 divisors (see below), whose sum is σ = 50084469062784. Its totient is φ = 18460621604160.

The previous prime is 31122200122099. The next prime is 31122200122129. The reversal of 31122200122101 is 10122100222113.

31122200122101 is a `hidden beast` number, since 311 + 2 + 220 + 0 + 122 + 10 + 1 = 666.

It is not a de Polignac number, because 31122200122101 - 2¹ = 31122200122099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122200120101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3344310856 + ... + 3344320161.

It is an arithmetic number, because the mean of its divisors is an integer number (2086852877616).

Almost surely, 2^{31122200122101} is an apocalyptic number.

It is an amenable number.

31122200122101 is a deficient number, since it is larger than the sum of its proper divisors (18962268940683).

31122200122101 is a wasteful number, since it uses less digits than its factorization.

31122200122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688631081 (or 6688631078 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 31122200122101 its reverse (10122100222113), we get a palindrome (41244300344214).

It can be divided in two parts, 3112220012 and 2101, that added together give a palindrome (3112222113).

The spelling of 31122200122101 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred million, one hundred twenty-two thousand, one hundred one".