22001211101222 has 24 divisors (see below), whose sum is σ = 33340093565760. Its totient is φ = 10888978579920.

The previous prime is 22001211101161. The next prime is 22001211101237. The reversal of 22001211101222 is 22210111210022.

It is a self number, because there is not a number n which added to its sum of digits gives 22001211101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47915147 + ... + 48372137.

It is an arithmetic number, because the mean of its divisors is an integer number (1389170565240).

Almost surely, 2^{22001211101222} is an apocalyptic number.

22001211101222 is a deficient number, since it is larger than the sum of its proper divisors (11338882464538).

22001211101222 is a wasteful number, since it uses less digits than its factorization.

22001211101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459468 (or 459365 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22001211101222 its reverse (22210111210022), we get a palindrome (44211322311244).

The spelling of 22001211101222 in words is "twenty-two trillion, one billion, two hundred eleven million, one hundred one thousand, two hundred twenty-two".