101101321998 has 24 divisors (see below), whose sum is σ = 220651795728. Its totient is φ = 33454451232.

The previous prime is 101101321991. The next prime is 101101322017. The reversal of 101101321998 is 899123101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101321991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20496586 + ... + 20501517.

It is an arithmetic number, because the mean of its divisors is an integer number (9193824822).

Almost surely, 2^101101321998 is an apocalyptic number.

101101321998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101101321998 is an abundant number, since it is smaller than the sum of its proper divisors (119550473730).

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

101101321998 is a wasteful number, since it uses less digits than its factorization.

101101321998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40998248 (or 40998245 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 36.

The spelling of 101101321998 in words is "one hundred one billion, one hundred one million, three hundred twenty-one thousand, nine hundred ninety-eight".