210100101121 has 32 divisors (see below), whose sum is σ = 228621070080. Its totient is φ = 192471552000.

The previous prime is 210100101061. The next prime is 210100101149. The reversal of 210100101121 is 121101001012.

It is a cyclic number.

It is not a de Polignac number, because 210100101121 - 2²³ = 210091712513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210100101098 and 210100101107.

It is not an unprimeable number, because it can be changed into a prime (210100101221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14421681 + ... + 14436241.

It is an arithmetic number, because the mean of its divisors is an integer number (7144408440).

Almost surely, 2^210100101121 is an apocalyptic number.

It is an amenable number.

210100101121 is a deficient number, since it is larger than the sum of its proper divisors (18520968959).

210100101121 is a wasteful number, since it uses less digits than its factorization.

210100101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14857.

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

Adding to 210100101121 its reverse (121101001012), we get a palindrome (331201102133).

The spelling of 210100101121 in words is "two hundred ten billion, one hundred million, one hundred one thousand, one hundred twenty-one".