2120120121222 has 48 divisors (see below), whose sum is σ = 4835642987760. Its totient is φ = 669472667136.

The previous prime is 2120120121211. The next prime is 2120120121227. The reversal of 2120120121222 is 2221210210212.

It is a happy number.

2120120121222 is a `hidden beast` number, since 21 + 201 + 201 + 21 + 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 = 2120120121195 and 2120120121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120120121227) 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, 6017898 + ... + 6360450.

It is an arithmetic number, because the mean of its divisors is an integer number (100742562245).

Almost surely, 2^{2120120121222} is an apocalyptic number.

2120120121222 is an abundant number, since it is smaller than the sum of its proper divisors (2715522866538).

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

2120120121222 is a wasteful number, since it uses less digits than its factorization.

2120120121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360677 (or 360674 counting only the distinct ones).

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

Adding to 2120120121222 its reverse (2221210210212), we get a palindrome (4341330331434).

The spelling of 2120120121222 in words is "two trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".