210001201101989 has 8 divisors (see below), whose sum is σ = 230609386401600. Its totient is φ = 189645876972000.

The previous prime is 210001201101983. The next prime is 210001201102009. The reversal of 210001201101989 is 989101102100012.

It is a happy number.

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 210001201101989 - 2³² = 209996906134693 is a prime.

It is a super-2 number, since 2×210001201101989² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001201101983) 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, 63215290664 + ... + 63215293985.

It is an arithmetic number, because the mean of its divisors is an integer number (28826173300200).

Almost surely, 2^{210001201101989} is an apocalyptic number.

It is an amenable number.

210001201101989 is a deficient number, since it is larger than the sum of its proper divisors (20608185299611).

210001201101989 is a wasteful number, since it uses less digits than its factorization.

210001201101989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126430584811.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 210001201101989 in words is "two hundred ten trillion, one billion, two hundred one million, one hundred one thousand, nine hundred eighty-nine".