18990000110101 has 8 divisors (see below), whose sum is σ = 19167675045120. Its totient is φ = 18812328847488.

The previous prime is 18990000110089. The next prime is 18990000110131. The reversal of 18990000110101 is 10101100009981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18990000110101 - 2⁹ = 18990000109589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18990000110131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10086405 + ... + 11820133.

It is an arithmetic number, because the mean of its divisors is an integer number (2395959380640).

Almost surely, 2^{18990000110101} is an apocalyptic number.

It is an amenable number.

18990000110101 is a deficient number, since it is larger than the sum of its proper divisors (177674935019).

18990000110101 is a wasteful number, since it uses less digits than its factorization.

18990000110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836203.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 18990000110101 in words is "eighteen trillion, nine hundred ninety billion, one hundred ten thousand, one hundred one".