10211151231 has 24 divisors (see below), whose sum is σ = 15403171680. Its totient is φ = 6506191296.

The previous prime is 10211151211. The next prime is 10211151259. The reversal of 10211151231 is 13215111201.

10211151231 is a `hidden beast` number, since 10 + 2 + 111 + 512 + 31 = 666.

It is not a de Polignac number, because 10211151231 - 2⁵ = 10211151199 is a prime.

It is a super-2 number, since 2×10211151231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211151211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245025 + ... + 283653.

It is an arithmetic number, because the mean of its divisors is an integer number (641798820).

Almost surely, 2^10211151231 is an apocalyptic number.

10211151231 is a deficient number, since it is larger than the sum of its proper divisors (5192020449).

10211151231 is a wasteful number, since it uses less digits than its factorization.

10211151231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39935 (or 39932 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 10211151231 its reverse (13215111201), we get a palindrome (23426262432).

The spelling of 10211151231 in words is "ten billion, two hundred eleven million, one hundred fifty-one thousand, two hundred thirty-one".