2120101092 has 36 divisors (see below), whose sum is σ = 5641206480. Its totient is φ = 669505392.

The previous prime is 2120101079. The next prime is 2120101097. The reversal of 2120101092 is 2901010212.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (2120101097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1549098 + ... + 1550465.

It is an arithmetic number, because the mean of its divisors is an integer number (156700180).

Almost surely, 2^2120101092 is an apocalyptic number.

It is an amenable number.

2120101092 is an abundant number, since it is smaller than the sum of its proper divisors (3521105388).

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

2120101092 is a wasteful number, since it uses less digits than its factorization.

2120101092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099592 (or 3099587 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 2120101092 is about 46044.5555087678. Note that the first 4 decimals coincide. The cubic root of 2120101092 is about 1284.6520765677.

The spelling of 2120101092 in words is "two billion, one hundred twenty million, one hundred one thousand, ninety-two".