101201099687 has 2 divisors, whose sum is σ = 101201099688. Its totient is φ = 101201099686.

The previous prime is 101201099669. The next prime is 101201099719. The reversal of 101201099687 is 786990102101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101201099687 - 2⁸ = 101201099431 is a prime.

It is a super-2 number, since 2×101201099687² (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 (101201099617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600549843 + 50600549844.

It is an arithmetic number, because the mean of its divisors is an integer number (50600549844).

Almost surely, 2^101201099687 is an apocalyptic number.

101201099687 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201099687 is an equidigital number, since it uses as much as digits as its factorization.

101201099687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 101201099687 in words is "one hundred one billion, two hundred one million, ninety-nine thousand, six hundred eighty-seven".