210002000112121 has 12 divisors (see below), whose sum is σ = 244384559479440. Its totient is φ = 179930595463080.

The previous prime is 210002000112109. The next prime is 210002000112131. The reversal of 210002000112121 is 121211000200012.

It is not a de Polignac number, because 210002000112121 - 2¹⁷ = 210001999981049 is a prime.

It is a super-2 number, since 2×210002000112121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210002000112131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846528511 + ... + 846776548.

It is an arithmetic number, because the mean of its divisors is an integer number (20365379956620).

Almost surely, 2^{210002000112121} is an apocalyptic number.

It is an amenable number.

210002000112121 is a deficient number, since it is larger than the sum of its proper divisors (34382559367319).

210002000112121 is a wasteful number, since it uses less digits than its factorization.

210002000112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693307604 (or 1693307597 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210002000112121 its reverse (121211000200012), we get a palindrome (331213000312133).

The spelling of 210002000112121 in words is "two hundred ten trillion, two billion, one hundred twelve thousand, one hundred twenty-one".