102011122231 has 2 divisors, whose sum is σ = 102011122232. Its totient is φ = 102011122230.

The previous prime is 102011122217. The next prime is 102011122249. The reversal of 102011122231 is 132221110201.

It is a weak prime.

It is an emirp because it is prime and its reverse (132221110201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102011122231 is a prime.

It is a super-2 number, since 2×102011122231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011122261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005561115 + 51005561116.

It is an arithmetic number, because the mean of its divisors is an integer number (51005561116).

Almost surely, 2^102011122231 is an apocalyptic number.

102011122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011122231 is an equidigital number, since it uses as much as digits as its factorization.

102011122231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102011122231 its reverse (132221110201), we get a palindrome (234232232432).

The spelling of 102011122231 in words is "one hundred two billion, eleven million, one hundred twenty-two thousand, two hundred thirty-one".