2120031012222 has 48 divisors (see below), whose sum is σ = 4638003617520. Its totient is φ = 699819760896.

The previous prime is 2120031012199. The next prime is 2120031012241. The reversal of 2120031012222 is 2222101300212.

2120031012222 is a `hidden beast` number, since 2 + 120 + 0 + 310 + 12 + 222 = 666.

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 = 2120031012195 and 2120031012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5174278 + ... + 5568950.

It is an arithmetic number, because the mean of its divisors is an integer number (96625075365).

Almost surely, 2^{2120031012222} is an apocalyptic number.

2120031012222 is an abundant number, since it is smaller than the sum of its proper divisors (2517972605298).

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

2120031012222 is a wasteful number, since it uses less digits than its factorization.

2120031012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397577 (or 397574 counting only the distinct ones).

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

Adding to 2120031012222 its reverse (2222101300212), we get a palindrome (4342132312434).

The spelling of 2120031012222 in words is "two trillion, one hundred twenty billion, thirty-one million, twelve thousand, two hundred twenty-two".