222011001112001 has 4 divisors (see below), whose sum is σ = 222013176491604. Its totient is φ = 222008825732400.

The previous prime is 222011001111959. The next prime is 222011001112063. The reversal of 222011001112001 is 100211100110222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42826540551601 + 179184460560400 = 6544199^2 + 13385980^2 .

It is a cyclic number.

It is not a de Polignac number, because 222011001112001 - 2¹⁴ = 222011001095617 is a prime.

It is a super-2 number, since 2×222011001112001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011001102001) 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, 1087536710 + ... + 1087740831.

It is an arithmetic number, because the mean of its divisors is an integer number (55503294122901).

Almost surely, 2^{222011001112001} is an apocalyptic number.

It is an amenable number.

222011001112001 is a deficient number, since it is larger than the sum of its proper divisors (2175379603).

222011001112001 is a wasteful number, since it uses less digits than its factorization.

222011001112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175379602.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222011001112001 its reverse (100211100110222), we get a palindrome (322222101222223).

The spelling of 222011001112001 in words is "two hundred twenty-two trillion, eleven billion, one million, one hundred twelve thousand, one".