101021222087 has 2 divisors, whose sum is σ = 101021222088. Its totient is φ = 101021222086.

The previous prime is 101021222083. The next prime is 101021222147. The reversal of 101021222087 is 780222120101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101021222087 - 2² = 101021222083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021222083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510611043 + 50510611044.

It is an arithmetic number, because the mean of its divisors is an integer number (50510611044).

Almost surely, 2^101021222087 is an apocalyptic number.

101021222087 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021222087 is an equidigital number, since it uses as much as digits as its factorization.

101021222087 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 101021222087 its reverse (780222120101), we get a palindrome (881243342188).

The spelling of 101021222087 in words is "one hundred one billion, twenty-one million, two hundred twenty-two thousand, eighty-seven".