222101121001222 has 16 divisors (see below), whose sum is σ = 358850619067392. Its totient is φ = 102795750252360.

The previous prime is 222101121001171. The next prime is 222101121001223. The reversal of 222101121001222 is 222100121101222.

It is a super-2 number, since 2×222101121001222² (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 222101121001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101121001223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77875566948 + ... + 77875569799.

It is an arithmetic number, because the mean of its divisors is an integer number (22428163691712).

Almost surely, 2^{222101121001222} is an apocalyptic number.

222101121001222 is a deficient number, since it is larger than the sum of its proper divisors (136749498066170).

222101121001222 is a wasteful number, since it uses less digits than its factorization.

222101121001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155751136803.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222101121001222 its reverse (222100121101222), we get a palindrome (444201242102444).

The spelling of 222101121001222 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred twenty-one million, one thousand, two hundred twenty-two".