210011100020101 has 8 divisors (see below), whose sum is σ = 214441891161624. Its totient is φ = 205622306899200.

The previous prime is 210011100020083. The next prime is 210011100020123. The reversal of 210011100020101 is 101020001110012.

It can be written as a sum of positive squares in 4 ways, for example, as 29890811628001 + 180120288392100 = 5467249^2 + 13420890^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210011100020101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011100020131) 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, 10499495050 + ... + 10499515051.

It is an arithmetic number, because the mean of its divisors is an integer number (26805236395203).

Almost surely, 2^{210011100020101} is an apocalyptic number.

It is an amenable number.

210011100020101 is a deficient number, since it is larger than the sum of its proper divisors (4430791141523).

210011100020101 is a wasteful number, since it uses less digits than its factorization.

210011100020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20999010311.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210011100020101 its reverse (101020001110012), we get a palindrome (311031101130113).

The spelling of 210011100020101 in words is "two hundred ten trillion, eleven billion, one hundred million, twenty thousand, one hundred one".