210121002212210 has 32 divisors (see below), whose sum is σ = 379410390800640. Its totient is φ = 83783512657152.

The previous prime is 210121002212207. The next prime is 210121002212213. The reversal of 210121002212210 is 12212200121012.

It is an interprime number because it is at equal distance from previous prime (210121002212207) and next prime (210121002212213).

It is not an unprimeable number, because it can be changed into a prime (210121002212213) 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, 4639031 + ... + 21018149.

It is an arithmetic number, because the mean of its divisors is an integer number (11856574712520).

Almost surely, 2^{210121002212210} is an apocalyptic number.

210121002212210 is a deficient number, since it is larger than the sum of its proper divisors (169289388588430).

210121002212210 is a wasteful number, since it uses less digits than its factorization.

210121002212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16383170.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210121002212210 its reverse (12212200121012), we get a palindrome (222333202333222).

The spelling of 210121002212210 in words is "two hundred ten trillion, one hundred twenty-one billion, two million, two hundred twelve thousand, two hundred ten".