222212221211112 has 32 divisors (see below), whose sum is σ = 606033330576480. Its totient is φ = 67337036730560.

The previous prime is 222212221211107. The next prime is 222212221211119. The reversal of 222212221211112 is 211112122212222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (222212221211119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 420856479303 + ... + 420856479830.

It is an arithmetic number, because the mean of its divisors is an integer number (18938541580515).

Almost surely, 2^{222212221211112} is an apocalyptic number.

222212221211112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222212221211112 is an abundant number, since it is smaller than the sum of its proper divisors (383821109365368).

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

222212221211112 is a wasteful number, since it uses less digits than its factorization.

222212221211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841712959153 (or 841712959149 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

Adding to 222212221211112 its reverse (211112122212222), we get a palindrome (433324343423334).

The spelling of 222212221211112 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twelve".