210012101012101 has 4 divisors (see below), whose sum is σ = 210012207990400. Its totient is φ = 210011994033804.

The previous prime is 210012101012089. The next prime is 210012101012113. The reversal of 210012101012101 is 101210101210012.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (210012101012089) and next prime (210012101012113).

It is a cyclic number.

It is not a de Polignac number, because 210012101012101 - 2⁹ = 210012101011589 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 (210012101042101) 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, 50488341 + ... + 54489418.

It is an arithmetic number, because the mean of its divisors is an integer number (52503051997600).

Almost surely, 2^{210012101012101} is an apocalyptic number.

It is an amenable number.

210012101012101 is a deficient number, since it is larger than the sum of its proper divisors (106978299).

210012101012101 is a wasteful number, since it uses less digits than its factorization.

210012101012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106978298.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210012101012101 its reverse (101210101210012), we get a palindrome (311222202222113).

The spelling of 210012101012101 in words is "two hundred ten trillion, twelve billion, one hundred one million, twelve thousand, one hundred one".