200121133293 has 6 divisors (see below), whose sum is σ = 289063859214. Its totient is φ = 133414088856.

The previous prime is 200121133279. The next prime is 200121133301. The reversal of 200121133293 is 392331121002.

200121133293 is a `hidden beast` number, since 200 + 121 + 1 + 332 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 197418485124 + 2702648169 = 444318^2 + 51987^2 .

It is not a de Polignac number, because 200121133293 - 2³³ = 191531198701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121133193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11117840730 + ... + 11117840747.

It is an arithmetic number, because the mean of its divisors is an integer number (48177309869).

Almost surely, 2^200121133293 is an apocalyptic number.

It is an amenable number.

200121133293 is a deficient number, since it is larger than the sum of its proper divisors (88942725921).

200121133293 is a wasteful number, since it uses less digits than its factorization.

200121133293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22235681483 (or 22235681480 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 200121133293 its reverse (392331121002), we get a palindrome (592452254295).

The spelling of 200121133293 in words is "two hundred billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred ninety-three".