101819100102 has 16 divisors (see below), whose sum is σ = 205654421232. Its totient is φ = 33603663200.

The previous prime is 101819100091. The next prime is 101819100113. The reversal of 101819100102 is 201001918101.

It is an interprime number because it is at equal distance from previous prime (101819100091) and next prime (101819100113).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84008553 + ... + 84009764.

It is an arithmetic number, because the mean of its divisors is an integer number (12853401327).

Almost surely, 2^101819100102 is an apocalyptic number.

101819100102 is an abundant number, since it is smaller than the sum of its proper divisors (103835321130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101819100102 is a wasteful number, since it uses less digits than its factorization.

101819100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168018423.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 101819100102 in words is "one hundred one billion, eight hundred nineteen million, one hundred thousand, one hundred two".