1222202112102 has 12 divisors (see below), whose sum is σ = 2648104576260. Its totient is φ = 407400704028.

The previous prime is 1222202112071. The next prime is 1222202112127. The reversal of 1222202112102 is 2012112022221.

It is a happy number.

1222202112102 is a `hidden beast` number, since 1 + 22 + 220 + 211 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67900117339 = 1222202112102 / (1 + 2 + 2 + 2 + 2 + 0 + 2 + 1 + 1 + 2 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33950058652 + ... + 33950058687.

It is an arithmetic number, because the mean of its divisors is an integer number (220675381355).

Almost surely, 2^{1222202112102} is an apocalyptic number.

1222202112102 is an abundant number, since it is smaller than the sum of its proper divisors (1425902464158).

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

1222202112102 is a wasteful number, since it uses less digits than its factorization.

1222202112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67900117347 (or 67900117344 counting only the distinct ones).

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

Adding to 1222202112102 its reverse (2012112022221), we get a palindrome (3234314134323).

It can be divided in two parts, 122220 and 2112102, that added together give a palindrome (2234322).

The spelling of 1222202112102 in words is "one trillion, two hundred twenty-two billion, two hundred two million, one hundred twelve thousand, one hundred two".