101111200231 has 2 divisors, whose sum is σ = 101111200232. Its totient is φ = 101111200230.

The previous prime is 101111200207. The next prime is 101111200283. The reversal of 101111200231 is 132002111101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101111200231 is a prime.

It is a super-2 number, since 2×101111200231² (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 (101111201231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555600115 + 50555600116.

It is an arithmetic number, because the mean of its divisors is an integer number (50555600116).

Almost surely, 2^101111200231 is an apocalyptic number.

101111200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111200231 is an equidigital number, since it uses as much as digits as its factorization.

101111200231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101111200231 its reverse (132002111101), we get a palindrome (233113311332).

The spelling of 101111200231 in words is "one hundred one billion, one hundred eleven million, two hundred thousand, two hundred thirty-one".