2121013133010 has 24 divisors (see below), whose sum is σ = 5514634146060. Its totient is φ = 565603502112.

The previous prime is 2121013133009. The next prime is 2121013133077. The reversal of 2121013133010 is 103313101212.

2121013133010 is a `hidden beast` number, since 21 + 210 + 131 + 3 + 301 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1940412782169 + 180600350841 = 1392987^2 + 424971^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11783406205 + ... + 11783406384.

Almost surely, 2^{2121013133010} is an apocalyptic number.

2121013133010 is an abundant number, since it is smaller than the sum of its proper divisors (3393621013050).

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

2121013133010 is a wasteful number, since it uses less digits than its factorization.

2121013133010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23566812602 (or 23566812599 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2121013133010 its reverse (103313101212), we get a palindrome (2224326234222).

The spelling of 2121013133010 in words is "two trillion, one hundred twenty-one billion, thirteen million, one hundred thirty-three thousand, ten".