221012001120222 has 36 divisors (see below), whose sum is σ = 518528156481504. Its totient is φ = 68003692651440.

The previous prime is 221012001120203. The next prime is 221012001120269. The reversal of 221012001120222 is 222021100210122.

It is a happy number.

221012001120222 is a `hidden beast` number, since 2 + 210 + 1 + 200 + 11 + 20 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 221012001120195 and 221012001120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36326755854 + ... + 36326761937.

It is an arithmetic number, because the mean of its divisors is an integer number (14403559902264).

Almost surely, 2^{221012001120222} is an apocalyptic number.

221012001120222 is an abundant number, since it is smaller than the sum of its proper divisors (297516155361282).

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

221012001120222 is a wasteful number, since it uses less digits than its factorization.

221012001120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72653517825 (or 72653517809 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221012001120222 its reverse (222021100210122), we get a palindrome (443033101330344).

The spelling of 221012001120222 in words is "two hundred twenty-one trillion, twelve billion, one million, one hundred twenty thousand, two hundred twenty-two".