222211011212212 has 12 divisors (see below), whose sum is σ = 424221021405216. Its totient is φ = 101005005096440.

The previous prime is 222211011212207. The next prime is 222211011212219. The reversal of 222211011212212 is 212212110112222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211011212219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525125127368 + ... + 2525125127455.

It is an arithmetic number, because the mean of its divisors is an integer number (35351751783768).

Almost surely, 2^{222211011212212} is an apocalyptic number.

222211011212212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222211011212212 is a deficient number, since it is larger than the sum of its proper divisors (202010010193004).

222211011212212 is a wasteful number, since it uses less digits than its factorization.

222211011212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050250254838 (or 5050250254836 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222211011212212 its reverse (212212110112222), we get a palindrome (434423121324434).

The spelling of 222211011212212 in words is "two hundred twenty-two trillion, two hundred eleven billion, eleven million, two hundred twelve thousand, two hundred twelve".