189020202101 has 16 divisors (see below), whose sum is σ = 195000395520. Its totient is φ = 183136308480.

The previous prime is 189020202097. The next prime is 189020202109. The reversal of 189020202101 is 101202020981.

It is a cyclic number.

It is not a de Polignac number, because 189020202101 - 2² = 189020202097 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 (189020202109) 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, 6113441 + ... + 6144281.

It is an arithmetic number, because the mean of its divisors is an integer number (12187524720).

Almost surely, 2^189020202101 is an apocalyptic number.

It is an amenable number.

189020202101 is a deficient number, since it is larger than the sum of its proper divisors (5980193419).

189020202101 is a wasteful number, since it uses less digits than its factorization.

189020202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32396.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 189020202101 in words is "one hundred eighty-nine billion, twenty million, two hundred two thousand, one hundred one".