210222000121210 has 128 divisors (see below), whose sum is σ = 499570713893376. Its totient is φ = 61663408496640.

The previous prime is 210222000121201. The next prime is 210222000121219. The reversal of 210222000121210 is 12121000222012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210222000121201) and next prime (210222000121219).

It is not an unprimeable number, because it can be changed into a prime (210222000121219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134797822 + ... + 136348438.

It is an arithmetic number, because the mean of its divisors is an integer number (3902896202292).

Almost surely, 2^{210222000121210} is an apocalyptic number.

210222000121210 is an abundant number, since it is smaller than the sum of its proper divisors (289348713772166).

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

210222000121210 is a wasteful number, since it uses less digits than its factorization.

210222000121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561016.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210222000121210 its reverse (12121000222012), we get a palindrome (222343000343222).

The spelling of 210222000121210 in words is "two hundred ten trillion, two hundred twenty-two billion, one hundred twenty-one thousand, two hundred ten".