1220022222102 has 20 divisors (see below), whose sum is σ = 2733753498036. Its totient is φ = 406674073980.

The previous prime is 1220022222061. The next prime is 1220022222151. The reversal of 1220022222102 is 2012222200221.

1220022222102 is a `hidden beast` number, since 1 + 220 + 0 + 222 + 221 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3765500524 + ... + 3765500847.

Almost surely, 2^{1220022222102} is an apocalyptic number.

1220022222102 is an abundant number, since it is smaller than the sum of its proper divisors (1513731275934).

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

1220022222102 is an equidigital number, since it uses as much as digits as its factorization.

1220022222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531001385 (or 7531001376 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1220022222102 its reverse (2012222200221), we get a palindrome (3232244422323).

The spelling of 1220022222102 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred twenty-two thousand, one hundred two".