2212111222002 has 24 divisors (see below), whose sum is σ = 5228626525200. Its totient is φ = 670336733880.

The previous prime is 2212111221953. The next prime is 2212111222021. The reversal of 2212111222002 is 2002221112122.

It is a happy number.

2212111222002 is a `hidden beast` number, since 221 + 211 + 12 + 220 + 0 + 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 11 ways as a sum of consecutive naturals, for example, 5586139252 + ... + 5586139647.

It is an arithmetic number, because the mean of its divisors is an integer number (217859438550).

Almost surely, 2^{2212111222002} is an apocalyptic number.

2212111222002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212111222002 is an abundant number, since it is smaller than the sum of its proper divisors (3016515303198).

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

2212111222002 is a wasteful number, since it uses less digits than its factorization.

2212111222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11172278918 (or 11172278915 counting only the distinct ones).

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

Adding to 2212111222002 its reverse (2002221112122), we get a palindrome (4214332334124).

The spelling of 2212111222002 in words is "two trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty-two thousand, two".