101102019999 has 64 divisors (see below), whose sum is σ = 150849578880. Its totient is φ = 59951923200.

The previous prime is 101102019947. The next prime is 101102020043. The reversal of 101102019999 is 999910201101.

It is not a de Polignac number, because 101102019999 - 2⁷ = 101102019871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101102019999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102015999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10096107 + ... + 10106115.

It is an arithmetic number, because the mean of its divisors is an integer number (2357024670).

Almost surely, 2^101102019999 is an apocalyptic number.

101102019999 is a deficient number, since it is larger than the sum of its proper divisors (49747558881).

101102019999 is a wasteful number, since it uses less digits than its factorization.

101102019999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220.

The product of its (nonzero) digits is 13122, while the sum is 42.

The spelling of 101102019999 in words is "one hundred one billion, one hundred two million, nineteen thousand, nine hundred ninety-nine".