202124011255 has 32 divisors (see below), whose sum is σ = 249919372800. Its totient is φ = 156815118720.

The previous prime is 202124011249. The next prime is 202124011337. The reversal of 202124011255 is 552110421202.

It is not a de Polignac number, because 202124011255 - 2⁷ = 202124011127 is a prime.

It is a super-2 number, since 2×202124011255² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100508200 + ... + 100510210.

It is an arithmetic number, because the mean of its divisors is an integer number (7809980400).

Almost surely, 2^202124011255 is an apocalyptic number.

202124011255 is a deficient number, since it is larger than the sum of its proper divisors (47795361545).

202124011255 is a wasteful number, since it uses less digits than its factorization.

202124011255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 202124011255 its reverse (552110421202), we get a palindrome (754234432457).

The spelling of 202124011255 in words is "two hundred two billion, one hundred twenty-four million, eleven thousand, two hundred fifty-five".