2120122101222 has 32 divisors (see below), whose sum is σ = 4730931780960. Its totient is φ = 703774967040.

The previous prime is 2120122101197. The next prime is 2120122101287. The reversal of 2120122101222 is 2221012210212.

It is a happy number.

2120122101222 is a `hidden beast` number, since 21 + 201 + 221 + 0 + 1 + 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 = 2120122101195 and 2120122101204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81442423 + ... + 81468450.

It is an arithmetic number, because the mean of its divisors is an integer number (147841618155).

Almost surely, 2^{2120122101222} is an apocalyptic number.

2120122101222 is an abundant number, since it is smaller than the sum of its proper divisors (2610809679738).

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

2120122101222 is a wasteful number, since it uses less digits than its factorization.

2120122101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162911125 (or 162911119 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2120122101222 its reverse (2221012210212), we get a palindrome (4341134311434).

The spelling of 2120122101222 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty-two".