1122212211102 has 40 divisors (see below), whose sum is σ = 2662503487776. Its totient is φ = 352066575168.

The previous prime is 1122212211089. The next prime is 1122212211137. The reversal of 1122212211102 is 2011122122211.

1122212211102 is a `hidden beast` number, since 112 + 221 + 221 + 110 + 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 (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 203739478 + ... + 203744985.

Almost surely, 2^{1122212211102} is an apocalyptic number.

1122212211102 is an abundant number, since it is smaller than the sum of its proper divisors (1540291276674).

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

1122212211102 is a wasteful number, since it uses less digits than its factorization.

1122212211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407484494 (or 407484485 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1122212211102 its reverse (2011122122211), we get a palindrome (3133334333313).

The spelling of 1122212211102 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, one hundred two".