1222222000001 has 4 divisors (see below), whose sum is σ = 1240464119472. Its totient is φ = 1203979880532.

The previous prime is 1222221999923. The next prime is 1222222000079. The reversal of 1222222000001 is 1000002222221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1222221999923) and next prime (1222222000079).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222222000001 is a prime.

It is a super-5 number, since 5×1222222000001⁵ (a number of 62 digits) contains 55555 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222222000001.

It is not an unprimeable number, because it can be changed into a prime (1222222000301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9121059635 + ... + 9121059768.

It is an arithmetic number, because the mean of its divisors is an integer number (310116029868).

Almost surely, 2^{1222222000001} is an apocalyptic number.

It is an amenable number.

1222222000001 is a deficient number, since it is larger than the sum of its proper divisors (18242119471).

1222222000001 is an equidigital number, since it uses as much as digits as its factorization.

1222222000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18242119470.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1222222000001 its reverse (1000002222221), we get a palindrome (2222224222222).

The spelling of 1222222000001 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one", and thus it is an aban number.