210012022200021 has 8 divisors (see below), whose sum is σ = 289048804748544. Its totient is φ = 135491627225760.

The previous prime is 210012022200017. The next prime is 210012022200151. The reversal of 210012022200021 is 120002220210012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210012022200021 - 2² = 210012022200017 is a prime.

It is a super-2 number, since 2×210012022200021² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012022200521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129096893456 + ... + 1129096893641.

It is an arithmetic number, because the mean of its divisors is an integer number (36131100593568).

Almost surely, 2^{210012022200021} is an apocalyptic number.

It is an amenable number.

210012022200021 is a deficient number, since it is larger than the sum of its proper divisors (79036782548523).

210012022200021 is a wasteful number, since it uses less digits than its factorization.

210012022200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258193787131.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210012022200021 its reverse (120002220210012), we get a palindrome (330014242410033).

The spelling of 210012022200021 in words is "two hundred ten trillion, twelve billion, twenty-two million, two hundred thousand, twenty-one".