222201121011102 has 12 divisors (see below), whose sum is σ = 481435762190760. Its totient is φ = 74067040337028.

The previous prime is 222201121011101. The next prime is 222201121011127. The reversal of 222201121011102 is 201110121102222.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12344506722839 = 222201121011102 / (2 + 2 + 2 + 2 + 0 + 1 + 1 + 2 + 1 + 0 + 1 + 1 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201121011101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6172253361402 + ... + 6172253361437.

It is an arithmetic number, because the mean of its divisors is an integer number (40119646849230).

Almost surely, 2^{222201121011102} is an apocalyptic number.

222201121011102 is an abundant number, since it is smaller than the sum of its proper divisors (259234641179658).

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

222201121011102 is a wasteful number, since it uses less digits than its factorization.

222201121011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344506722847 (or 12344506722844 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222201121011102 its reverse (201110121102222), we get a palindrome (423311242113324).

The spelling of 222201121011102 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, one hundred two".