1222111022001 has 24 divisors (see below), whose sum is σ = 1642713257280. Its totient is φ = 808177587360.

The previous prime is 1222111021993. The next prime is 1222111022039. The reversal of 1222111022001 is 1002201112221.

It is not a de Polignac number, because 1222111022001 - 2³ = 1222111021993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222111022071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192182860 + ... + 192189218.

It is an arithmetic number, because the mean of its divisors is an integer number (68446385720).

Almost surely, 2^{1222111022001} is an apocalyptic number.

It is an amenable number.

1222111022001 is a deficient number, since it is larger than the sum of its proper divisors (420602235279).

1222111022001 is an equidigital number, since it uses as much as digits as its factorization.

1222111022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10357 (or 10226 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222111022001 its reverse (1002201112221), we get a palindrome (2224312134222).

The spelling of 1222111022001 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, twenty-two thousand, one".