221112001011122 has 8 divisors (see below), whose sum is σ = 357180924710316. Its totient is φ = 102051692774352.

The previous prime is 221112001011103. The next prime is 221112001011163. The reversal of 221112001011122 is 221110100211122.

It can be written as a sum of positive squares in 2 ways, for example, as 218332215092761 + 2779785918361 = 14776069^2 + 1667269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221112001011122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221112001011122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4252153865573 + ... + 4252153865624.

Almost surely, 2^{221112001011122} is an apocalyptic number.

221112001011122 is a deficient number, since it is larger than the sum of its proper divisors (136068923699194).

221112001011122 is a wasteful number, since it uses less digits than its factorization.

221112001011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504307731212.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221112001011122 its reverse (221110100211122), we get a palindrome (442222101222244).

The spelling of 221112001011122 in words is "two hundred twenty-one trillion, one hundred twelve billion, one million, eleven thousand, one hundred twenty-two".