210201000000101 has 4 divisors (see below), whose sum is σ = 229310181818304. Its totient is φ = 191091818181900.

The previous prime is 210201000000097. The next prime is 210201000000119. The reversal of 210201000000101 is 101000000102012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210201000000101 - 2² = 210201000000097 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 (210201000000601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9554590909085 + ... + 9554590909106.

It is an arithmetic number, because the mean of its divisors is an integer number (57327545454576).

Almost surely, 2^{210201000000101} is an apocalyptic number.

It is an amenable number.

210201000000101 is a deficient number, since it is larger than the sum of its proper divisors (19109181818203).

210201000000101 is a wasteful number, since it uses less digits than its factorization.

210201000000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19109181818202.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 210201000000101 its reverse (101000000102012), we get a palindrome (311201000102113).

The spelling of 210201000000101 in words is "two hundred ten trillion, two hundred one billion, one hundred one", and thus it is an aban number.