101989699 has 16 divisors (see below), whose sum is σ = 118512576. Its totient is φ = 85968000.

The previous prime is 101989669. The next prime is 101989703. The reversal of 101989699 is 996989101.

It is a cyclic number.

It is not a de Polignac number, because 101989699 - 2¹⁵ = 101956931 is a prime.

It is a super-2 number, since 2×101989699² = 20803797404221202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101989609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127569 + ... + 128365.

It is an arithmetic number, because the mean of its divisors is an integer number (7407036).

Almost surely, 2^101989699 is an apocalyptic number.

101989699 is a deficient number, since it is larger than the sum of its proper divisors (16522877).

101989699 is a wasteful number, since it uses less digits than its factorization.

101989699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 314928, while the sum is 52.

The square root of 101989699 is about 10098.9949499938. The cubic root of 101989699 is about 467.2171436595.

The spelling of 101989699 in words is "one hundred one million, nine hundred eighty-nine thousand, six hundred ninety-nine".