11001210231 has 16 divisors (see below), whose sum is σ = 16019216640. Its totient is φ = 6660126720.

The previous prime is 11001210211. The next prime is 11001210263. The reversal of 11001210231 is 13201210011.

It is not a de Polignac number, because 11001210231 - 2²¹ = 10999113079 is a prime.

It is a super-2 number, since 2×11001210231² (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 (11001210211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151050 + ... + 211703.

It is an arithmetic number, because the mean of its divisors is an integer number (1001201040).

Almost surely, 2^11001210231 is an apocalyptic number.

11001210231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11001210231 is a deficient number, since it is larger than the sum of its proper divisors (5018006409).

11001210231 is a wasteful number, since it uses less digits than its factorization.

11001210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363686.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11001210231 its reverse (13201210011), we get a palindrome (24202420242).

The spelling of 11001210231 in words is "eleven billion, one million, two hundred ten thousand, two hundred thirty-one".