11001002131 has 8 divisors (see below), whose sum is σ = 12582914400. Its totient is φ = 9421675008.

The previous prime is 11001002119. The next prime is 11001002149. The reversal of 11001002131 is 13120010011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11001002131 - 2⁷ = 11001002003 is a prime.

It is a super-2 number, since 2×11001002131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11001002101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637156 + ... + 654193.

It is an arithmetic number, because the mean of its divisors is an integer number (1572864300).

Almost surely, 2^11001002131 is an apocalyptic number.

11001002131 is a deficient number, since it is larger than the sum of its proper divisors (1581912269).

11001002131 is a wasteful number, since it uses less digits than its factorization.

11001002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292573.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11001002131 its reverse (13120010011), we get a palindrome (24121012142).

The spelling of 11001002131 in words is "eleven billion, one million, two thousand, one hundred thirty-one".