1222022112102 has 80 divisors (see below), whose sum is σ = 2987394510672. Its totient is φ = 370281300480.

The previous prime is 1222022112049. The next prime is 1222022112191. The reversal of 1222022112102 is 2012112202221.

It is a happy number.

1222022112102 is a `hidden beast` number, since 12 + 220 + 221 + 1 + 210 + 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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42099498 + ... + 42128514.

Almost surely, 2^{1222022112102} is an apocalyptic number.

1222022112102 is an abundant number, since it is smaller than the sum of its proper divisors (1765372398570).

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

1222022112102 is a wasteful number, since it uses less digits than its factorization.

1222022112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52675 (or 52666 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222022112102 its reverse (2012112202221), we get a palindrome (3234134314323).

The spelling of 1222022112102 in words is "one trillion, two hundred twenty-two billion, twenty-two million, one hundred twelve thousand, one hundred two".