2102120122 has 16 divisors (see below), whose sum is σ = 3166315200. Its totient is φ = 1046691360.

The previous prime is 2102120093. The next prime is 2102120147. The reversal of 2102120122 is 2210212012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563379 + ... + 567097.

It is an arithmetic number, because the mean of its divisors is an integer number (197894700).

Almost surely, 2^2102120122 is an apocalyptic number.

2102120122 is a deficient number, since it is larger than the sum of its proper divisors (1064195078).

2102120122 is a wasteful number, since it uses less digits than its factorization.

2102120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2102120122 is about 45848.8835414779. The cubic root of 2102120122 is about 1281.0099698933.

Adding to 2102120122 its reverse (2210212012), we get a palindrome (4312332134).

It can be divided in two parts, 210212012 and 2, that multiplied together give a palindrome (420424024).

The spelling of 2102120122 in words is "two billion, one hundred two million, one hundred twenty thousand, one hundred twenty-two".