1111212122202 has 96 divisors (see below), whose sum is σ = 3055911788160. Its totient is φ = 293066916480.

The previous prime is 1111212122197. The next prime is 1111212122243. The reversal of 1111212122202 is 2022212121111.

1111212122202 is a `hidden beast` number, since 111 + 121 + 212 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8633499 + ... + 8761262.

It is an arithmetic number, because the mean of its divisors is an integer number (31832414460).

Almost surely, 2^{1111212122202} is an apocalyptic number.

1111212122202 is an abundant number, since it is smaller than the sum of its proper divisors (1944699665958).

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

1111212122202 is a wasteful number, since it uses less digits than its factorization.

1111212122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17394805 (or 17394786 counting only the distinct ones).

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

Adding to 1111212122202 its reverse (2022212121111), we get a palindrome (3133424243313).

The spelling of 1111212122202 in words is "one trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand, two hundred two".