101122100087 has 2 divisors, whose sum is σ = 101122100088. Its totient is φ = 101122100086.

The previous prime is 101122100083. The next prime is 101122100113. The reversal of 101122100087 is 780001221101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101122100087 - 2² = 101122100083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101122100083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561050043 + 50561050044.

It is an arithmetic number, because the mean of its divisors is an integer number (50561050044).

Almost surely, 2^101122100087 is an apocalyptic number.

101122100087 is a deficient number, since it is larger than the sum of its proper divisors (1).

101122100087 is an equidigital number, since it uses as much as digits as its factorization.

101122100087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 101122100087 its reverse (780001221101), we get a palindrome (881123321188).

The spelling of 101122100087 in words is "one hundred one billion, one hundred twenty-two million, one hundred thousand, eighty-seven".