2121244653092 has 12 divisors (see below), whose sum is σ = 3840184285980. Its totient is φ = 1024049142816.

The previous prime is 2121244653071. The next prime is 2121244653107. The reversal of 2121244653092 is 2903564421212.

It can be written as a sum of positive squares in 2 ways, for example, as 1059306159076 + 1061938494016 = 1029226^2 + 1030504^2 .

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, 9143295803 + ... + 9143296034.

It is an arithmetic number, because the mean of its divisors is an integer number (320015357165).

Almost surely, 2^{2121244653092} is an apocalyptic number.

It is an amenable number.

2121244653092 is a deficient number, since it is larger than the sum of its proper divisors (1718939632888).

2121244653092 is a wasteful number, since it uses less digits than its factorization.

2121244653092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18286591870 (or 18286591868 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 2121244653092 in words is "two trillion, one hundred twenty-one billion, two hundred forty-four million, six hundred fifty-three thousand, ninety-two".