210212102110101 has 32 divisors (see below), whose sum is σ = 347278640620800. Its totient is φ = 110136940268544.

The previous prime is 210212102110091. The next prime is 210212102110279. The reversal of 210212102110101 is 101011201212012.

It is a happy number.

It is not a de Polignac number, because 210212102110101 - 2⁶ = 210212102110037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212102510101) 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, 2583877780 + ... + 2583959133.

It is an arithmetic number, because the mean of its divisors is an integer number (10852457519400).

Almost surely, 2^{210212102110101} is an apocalyptic number.

210212102110101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210212102110101 is a deficient number, since it is larger than the sum of its proper divisors (137066538510699).

210212102110101 is a wasteful number, since it uses less digits than its factorization.

210212102110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167837085.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210212102110101 its reverse (101011201212012), we get a palindrome (311223303322113).

The spelling of 210212102110101 in words is "two hundred ten trillion, two hundred twelve billion, one hundred two million, one hundred ten thousand, one hundred one".