101002221020087 has 2 divisors, whose sum is σ = 101002221020088. Its totient is φ = 101002221020086.

The previous prime is 101002221020021. The next prime is 101002221020117. The reversal of 101002221020087 is 780020122200101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101002221020087 - 2⁸ = 101002221019831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101002221020587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50501110510043 + 50501110510044.

It is an arithmetic number, because the mean of its divisors is an integer number (50501110510044).

Almost surely, 2^{101002221020087} is an apocalyptic number.

101002221020087 is a deficient number, since it is larger than the sum of its proper divisors (1).

101002221020087 is an equidigital number, since it uses as much as digits as its factorization.

101002221020087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 101002221020087 its reverse (780020122200101), we get a palindrome (881022343220188).

The spelling of 101002221020087 in words is "one hundred one trillion, two billion, two hundred twenty-one million, twenty thousand, eighty-seven".