102011132231 has 2 divisors, whose sum is σ = 102011132232. Its totient is φ = 102011132230.

The previous prime is 102011132227. The next prime is 102011132269. The reversal of 102011132231 is 132231110201.

It is a weak prime.

It is an emirp because it is prime and its reverse (132231110201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102011132231 - 2² = 102011132227 is a prime.

It is a super-2 number, since 2×102011132231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011132131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005566115 + 51005566116.

It is an arithmetic number, because the mean of its divisors is an integer number (51005566116).

Almost surely, 2^102011132231 is an apocalyptic number.

102011132231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011132231 is an equidigital number, since it uses as much as digits as its factorization.

102011132231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102011132231 its reverse (132231110201), we get a palindrome (234242242432).

The spelling of 102011132231 in words is "one hundred two billion, eleven million, one hundred thirty-two thousand, two hundred thirty-one".