210000202102122 has 32 divisors (see below), whose sum is σ = 433134816514560. Its totient is φ = 67844419545840.

The previous prime is 210000202102091. The next prime is 210000202102129. The reversal of 210000202102122 is 221201202000012.

It is not an unprimeable number, because it can be changed into a prime (210000202102129) 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, 4177586908 + ... + 4177637175.

It is an arithmetic number, because the mean of its divisors is an integer number (13535463016080).

Almost surely, 2^{210000202102122} is an apocalyptic number.

210000202102122 is an abundant number, since it is smaller than the sum of its proper divisors (223134614412438).

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

210000202102122 is a wasteful number, since it uses less digits than its factorization.

210000202102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355224218.

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

Adding to 210000202102122 its reverse (221201202000012), we get a palindrome (431201404102134).

The spelling of 210000202102122 in words is "two hundred ten trillion, two hundred two million, one hundred two thousand, one hundred twenty-two".