210012002122101 has 16 divisors (see below), whose sum is σ = 302795777781504. Its totient is φ = 128968572015104.

The previous prime is 210012002122057. The next prime is 210012002122103. The reversal of 210012002122101 is 101221200210012.

It is a cyclic number.

It is not a de Polignac number, because 210012002122101 - 2²⁵ = 210011968567669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012002122103) 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, 43807257120 + ... + 43807261913.

It is an arithmetic number, because the mean of its divisors is an integer number (18924736111344).

Almost surely, 2^{210012002122101} is an apocalyptic number.

It is an amenable number.

210012002122101 is a deficient number, since it is larger than the sum of its proper divisors (92783775659403).

210012002122101 is a wasteful number, since it uses less digits than its factorization.

210012002122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87614519100.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210012002122101 its reverse (101221200210012), we get a palindrome (311233202332113).

The spelling of 210012002122101 in words is "two hundred ten trillion, twelve billion, two million, one hundred twenty-two thousand, one hundred one".