2211002131 has 8 divisors (see below), whose sum is σ = 2382509360. Its totient is φ = 2039699232.

The previous prime is 2211002071. The next prime is 2211002141. The reversal of 2211002131 is 1312001122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211002131 is a prime.

It is a super-2 number, since 2×2211002131² = 9777060846573082322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211002141) 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, 28221 + ... + 72238.

It is an arithmetic number, because the mean of its divisors is an integer number (297813670).

Almost surely, 2^2211002131 is an apocalyptic number.

2211002131 is a deficient number, since it is larger than the sum of its proper divisors (171507229).

2211002131 is a wasteful number, since it uses less digits than its factorization.

2211002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102165.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2211002131 is about 47021.2944419866. The cubic root of 2211002131 is about 1302.7559150502.

Adding to 2211002131 its reverse (1312001122), we get a palindrome (3523003253).

The spelling of 2211002131 in words is "two billion, two hundred eleven million, two thousand, one hundred thirty-one".