102221122220022 has 128 divisors (see below), whose sum is σ = 222123513185280. Its totient is φ = 31174476802560.

The previous prime is 102221122219991. The next prime is 102221122220033. The reversal of 102221122220022 is 220022221122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8561944129 + ... + 8561956067.

It is an arithmetic number, because the mean of its divisors is an integer number (1735339946760).

Almost surely, 2^{102221122220022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102221122220022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111061756592640).

102221122220022 is an abundant number, since it is smaller than the sum of its proper divisors (119902390965258).

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

102221122220022 is a wasteful number, since it uses less digits than its factorization.

102221122220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798.

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

Adding to 102221122220022 its reverse (220022221122201), we get a palindrome (322243343342223).

The spelling of 102221122220022 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred twenty thousand, twenty-two".