210022021122222 has 64 divisors (see below), whose sum is σ = 437134935029760. Its totient is φ = 67214529881184.

The previous prime is 210022021122097. The next prime is 210022021122227. The reversal of 210022021122222 is 222221120220012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022021122227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178775353 + ... + 179946299.

It is an arithmetic number, because the mean of its divisors is an integer number (6830233359840).

Almost surely, 2^{210022021122222} is an apocalyptic number.

210022021122222 is an abundant number, since it is smaller than the sum of its proper divisors (227112913907538).

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

210022021122222 is a wasteful number, since it uses less digits than its factorization.

210022021122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182837.

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

Adding to 210022021122222 its reverse (222221120220012), we get a palindrome (432243141342234).

The spelling of 210022021122222 in words is "two hundred ten trillion, twenty-two billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".