2120972106 has 64 divisors (see below), whose sum is σ = 4675387392. Its totient is φ = 636120000.

The previous prime is 2120972099. The next prime is 2120972111. The reversal of 2120972106 is 6012790212.

It is a super-3 number, since 3×2120972106³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3920196 + ... + 3920736.

It is an arithmetic number, because the mean of its divisors is an integer number (73052928).

Almost surely, 2^2120972106 is an apocalyptic number.

2120972106 is an abundant number, since it is smaller than the sum of its proper divisors (2554415286).

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

2120972106 is a wasteful number, since it uses less digits than its factorization.

2120972106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2120972106 is about 46054.0129196143. The cubic root of 2120972106 is about 1284.8279796175.

The spelling of 2120972106 in words is "two billion, one hundred twenty million, nine hundred seventy-two thousand, one hundred six".