1222211201201 has 16 divisors (see below), whose sum is σ = 1263373178496. Its totient is φ = 1181639200896.

The previous prime is 1222211201173. The next prime is 1222211201203. The reversal of 1222211201201 is 1021021122221.

It is a cyclic number.

It is not a de Polignac number, because 1222211201201 - 2²² = 1222207006897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222211201201.

It is not an unprimeable number, because it can be changed into a prime (1222211201203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9471551 + ... + 9599723.

It is an arithmetic number, because the mean of its divisors is an integer number (78960823656).

Almost surely, 2^{1222211201201} is an apocalyptic number.

It is an amenable number.

1222211201201 is a deficient number, since it is larger than the sum of its proper divisors (41161977295).

1222211201201 is a wasteful number, since it uses less digits than its factorization.

1222211201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130472.

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

Adding to 1222211201201 its reverse (1021021122221), we get a palindrome (2243232323422).

The spelling of 1222211201201 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, two hundred one thousand, two hundred one".