210011020112101 has 4 divisors (see below), whose sum is σ = 226165713966892. Its totient is φ = 193856326257312.

The previous prime is 210011020112083. The next prime is 210011020112107. The reversal of 210011020112101 is 101211020110012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13051969788001 + 196959050324100 = 3612751^2 + 14034210^2 .

It is a cyclic number.

It is not a de Polignac number, because 210011020112101 - 2¹⁷ = 210011019981029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 16154693854777 = 210011020112101 / (2 + 1 + 0 + 0 + 1 + 1 + 0 + 2 + 0 + 1 + 1 + 2 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011020112107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8077346927376 + ... + 8077346927401.

It is an arithmetic number, because the mean of its divisors is an integer number (56541428491723).

Almost surely, 2^{210011020112101} is an apocalyptic number.

It is an amenable number.

210011020112101 is a deficient number, since it is larger than the sum of its proper divisors (16154693854791).

210011020112101 is a wasteful number, since it uses less digits than its factorization.

210011020112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154693854790.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210011020112101 its reverse (101211020110012), we get a palindrome (311222040222113).

The spelling of 210011020112101 in words is "two hundred ten trillion, eleven billion, twenty million, one hundred twelve thousand, one hundred one".