101010001201998 has 32 divisors (see below), whose sum is σ = 230880424965120. Its totient is φ = 28859947566240.

The previous prime is 101010001201997. The next prime is 101010001202029. The reversal of 101010001201998 is 899102100010101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010001201997) 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, 24998443 + ... + 28756601.

It is an arithmetic number, because the mean of its divisors is an integer number (7215013280160).

Almost surely, 2^{101010001201998} is an apocalyptic number.

101010001201998 is an abundant number, since it is smaller than the sum of its proper divisors (129870423763122).

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

101010001201998 is a wasteful number, since it uses less digits than its factorization.

101010001201998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398112.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 101010001201998 in words is "one hundred one trillion, ten billion, one million, two hundred one thousand, nine hundred ninety-eight".