102221122022 has 4 divisors (see below), whose sum is σ = 153331683036. Its totient is φ = 51110561010.

The previous prime is 102221122013. The next prime is 102221122027. The reversal of 102221122022 is 220221122201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220221122201 = 19 ⋅11590585379.

It is a super-2 number, since 2×102221122022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221122027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555280504 + ... + 25555280507.

It is an arithmetic number, because the mean of its divisors is an integer number (38332920759).

Almost surely, 2^102221122022 is an apocalyptic number.

102221122022 is a deficient number, since it is larger than the sum of its proper divisors (51110561014).

102221122022 is an equidigital number, since it uses as much as digits as its factorization.

102221122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51110561013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102221122022 its reverse (220221122201), we get a palindrome (322442244223).

The spelling of 102221122022 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty-two".