210002011010121 has 16 divisors (see below), whose sum is σ = 307981912471488. Its totient is φ = 127273946064320.

The previous prime is 210002011010107. The next prime is 210002011010161. The reversal of 210002011010121 is 121010110200012.

It is not a de Polignac number, because 210002011010121 - 2¹³ = 210002011001929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210002011010097 and 210002011010106.

It is not an unprimeable number, because it can be changed into a prime (210002011010161) 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, 26296265856 + ... + 26296273841.

It is an arithmetic number, because the mean of its divisors is an integer number (19248869529468).

Almost surely, 2^{210002011010121} is an apocalyptic number.

It is an amenable number.

210002011010121 is a deficient number, since it is larger than the sum of its proper divisors (97979901461367).

210002011010121 is an equidigital number, since it uses as much as digits as its factorization.

210002011010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52592539733 (or 52592539711 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210002011010121 its reverse (121010110200012), we get a palindrome (331012121210133).

The spelling of 210002011010121 in words is "two hundred ten trillion, two billion, eleven million, ten thousand, one hundred twenty-one".