210121202222202 has 8 divisors (see below), whose sum is σ = 420242404444416. Its totient is φ = 70040400740732.

The previous prime is 210121202222137. The next prime is 210121202222237. The reversal of 210121202222202 is 202222202121012.

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

210121202222202 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17510100185178 + ... + 17510100185189.

It is an arithmetic number, because the mean of its divisors is an integer number (52530300555552).

Almost surely, 2^{210121202222202} is an apocalyptic number.

210121202222202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210121202222202 is a wasteful number, since it uses less digits than its factorization.

210121202222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35020200370372.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 210121202222202 its reverse (202222202121012), we get a palindrome (412343404343214).

The spelling of 210121202222202 in words is "two hundred ten trillion, one hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, two hundred two".