102213001131 has 4 divisors (see below), whose sum is σ = 136284001512. Its totient is φ = 68142000752.

The previous prime is 102213001097. The next prime is 102213001139. The reversal of 102213001131 is 131100312201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102213001131 - 2⁶ = 102213001067 is a prime.

It is a super-2 number, since 2×102213001131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102213001131.

It is not an unprimeable number, because it can be changed into a prime (102213001139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17035500186 + ... + 17035500191.

It is an arithmetic number, because the mean of its divisors is an integer number (34071000378).

Almost surely, 2^102213001131 is an apocalyptic number.

102213001131 is a deficient number, since it is larger than the sum of its proper divisors (34071000381).

102213001131 is an equidigital number, since it uses as much as digits as its factorization.

102213001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34071000380.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102213001131 its reverse (131100312201), we get a palindrome (233313313332).

The spelling of 102213001131 in words is "one hundred two billion, two hundred thirteen million, one thousand, one hundred thirty-one".