101112220087 has 2 divisors, whose sum is σ = 101112220088. Its totient is φ = 101112220086.

The previous prime is 101112220081. The next prime is 101112220141. The reversal of 101112220087 is 780022211101.

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-101112220087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101112220081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50556110043 + 50556110044.

It is an arithmetic number, because the mean of its divisors is an integer number (50556110044).

Almost surely, 2^101112220087 is an apocalyptic number.

101112220087 is a deficient number, since it is larger than the sum of its proper divisors (1).

101112220087 is an equidigital number, since it uses as much as digits as its factorization.

101112220087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 101112220087 its reverse (780022211101), we get a palindrome (881134431188).

The spelling of 101112220087 in words is "one hundred one billion, one hundred twelve million, two hundred twenty thousand, eighty-seven".