2120031102222 has 96 divisors (see below), whose sum is σ = 5229362750976. Its totient is φ = 614441678400.

The previous prime is 2120031102221. The next prime is 2120031102257. The reversal of 2120031102222 is 2222011300212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2120031102195 and 2120031102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120031102221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70622088 + ... + 70652100.

It is an arithmetic number, because the mean of its divisors is an integer number (54472528656).

Almost surely, 2^{2120031102222} is an apocalyptic number.

2120031102222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2120031102222 is an abundant number, since it is smaller than the sum of its proper divisors (3109331648754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120031102222 is a wasteful number, since it uses less digits than its factorization.

2120031102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45566 (or 45563 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2120031102222 its reverse (2222011300212), we get a palindrome (4342042402434).

The spelling of 2120031102222 in words is "two trillion, one hundred twenty billion, thirty-one million, one hundred two thousand, two hundred twenty-two".