210210121110101 has 16 divisors (see below), whose sum is σ = 241199935482240. Its totient is φ = 179460271872000.

The previous prime is 210210121110007. The next prime is 210210121110167. The reversal of 210210121110101 is 101011121012012.

It is a de Polignac number, because none of the positive numbers 2^k-210210121110101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210210121119101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171097745 + ... + 172321961.

It is an arithmetic number, because the mean of its divisors is an integer number (15074995967640).

Almost surely, 2^{210210121110101} is an apocalyptic number.

It is an amenable number.

210210121110101 is a deficient number, since it is larger than the sum of its proper divisors (30989814372139).

210210121110101 is a wasteful number, since it uses less digits than its factorization.

210210121110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322204.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 210210121110101 its reverse (101011121012012), we get a palindrome (311221242122113).

The spelling of 210210121110101 in words is "two hundred ten trillion, two hundred ten billion, one hundred twenty-one million, one hundred ten thousand, one hundred one".