102211112131 has 8 divisors (see below), whose sum is σ = 106746808320. Its totient is φ = 97683060552.

The previous prime is 102211112099. The next prime is 102211112141. The reversal of 102211112131 is 131211112201.

It is a happy number.

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 102211112131 - 2⁵ = 102211112099 is a prime.

It is a super-2 number, since 2×102211112131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211112141) 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, 1883811 + ... + 1937308.

It is an arithmetic number, because the mean of its divisors is an integer number (13343351040).

Almost surely, 2^102211112131 is an apocalyptic number.

102211112131 is a deficient number, since it is larger than the sum of its proper divisors (4535696189).

102211112131 is a wasteful number, since it uses less digits than its factorization.

102211112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822305.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 102211112131 its reverse (131211112201), we get a palindrome (233422224332).

The spelling of 102211112131 in words is "one hundred two billion, two hundred eleven million, one hundred twelve thousand, one hundred thirty-one".