19900210220101 has 8 divisors (see below), whose sum is σ = 20096079367104. Its totient is φ = 19704392289120.

The previous prime is 19900210220063. The next prime is 19900210220141. The reversal of 19900210220101 is 10102201200991.

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 19900210220101 - 2³⁷ = 19762771266629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19900210220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19900210220141) 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, 12022840 + ... + 13577521.

It is an arithmetic number, because the mean of its divisors is an integer number (2512009920888).

Almost surely, 2^{19900210220101} is an apocalyptic number.

It is an amenable number.

19900210220101 is a deficient number, since it is larger than the sum of its proper divisors (195869147003).

19900210220101 is a wasteful number, since it uses less digits than its factorization.

19900210220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25608011.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 19900210220101 in words is "nineteen trillion, nine hundred billion, two hundred ten million, two hundred twenty thousand, one hundred one".