2120222122110 has 96 divisors (see below), whose sum is σ = 5597025827328. Its totient is φ = 556750595520.

The previous prime is 2120222122087. The next prime is 2120222122141. The reversal of 2120222122110 is 112212220212.

It is a happy number.

2120222122110 is a `hidden beast` number, since 21 + 202 + 221 + 221 + 1 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5057389 + ... + 5460551.

It is an arithmetic number, because the mean of its divisors is an integer number (58302352368).

Almost surely, 2^{2120222122110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120222122110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2798512913664).

2120222122110 is an abundant number, since it is smaller than the sum of its proper divisors (3476803705218).

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

2120222122110 is a wasteful number, since it uses less digits than its factorization.

2120222122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404070 (or 404067 counting only the distinct ones).

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

Adding to 2120222122110 its reverse (112212220212), we get a palindrome (2232434342322).

The spelling of 2120222122110 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".