102220022222 has 4 divisors (see below), whose sum is σ = 153330033336. Its totient is φ = 51110011110.

The previous prime is 102220022207. The next prime is 102220022243. The reversal of 102220022222 is 222220022201.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102220022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555005554 + ... + 25555005557.

It is an arithmetic number, because the mean of its divisors is an integer number (38332508334).

Almost surely, 2^102220022222 is an apocalyptic number.

102220022222 is a deficient number, since it is larger than the sum of its proper divisors (51110011114).

102220022222 is an equidigital number, since it uses as much as digits as its factorization.

102220022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51110011113.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 102220022222 its reverse (222220022201), we get a palindrome (324440044423).

The spelling of 102220022222 in words is "one hundred two billion, two hundred twenty million, twenty-two thousand, two hundred twenty-two".