2101220092 has 12 divisors (see below), whose sum is σ = 3684196656. Its totient is φ = 1048592480.

The previous prime is 2101220087. The next prime is 2101220167. The reversal of 2101220092 is 2900221012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502048 + ... + 506215.

It is an arithmetic number, because the mean of its divisors is an integer number (307016388).

Almost surely, 2^2101220092 is an apocalyptic number.

It is an amenable number.

2101220092 is a deficient number, since it is larger than the sum of its proper divisors (1582976564).

2101220092 is a wasteful number, since it uses less digits than its factorization.

2101220092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008788 (or 1008786 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2101220092 is about 45839.0673116284. The cubic root of 2101220092 is about 1280.8271208454.

The spelling of 2101220092 in words is "two billion, one hundred one million, two hundred twenty thousand, ninety-two".