1227359622911 has 4 divisors (see below), whose sum is σ = 1227890719824. Its totient is φ = 1226828526000.

The previous prime is 1227359622899. The next prime is 1227359622917. The reversal of 1227359622911 is 1192269537221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1227359622911 is a prime.

It is a super-2 number, since 2×1227359622911² (a number of 25 digits) contains 22 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 1227359622911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227359622917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265544990 + ... + 265549611.

It is an arithmetic number, because the mean of its divisors is an integer number (306972679956).

Almost surely, 2^{1227359622911} is an apocalyptic number.

1227359622911 is a deficient number, since it is larger than the sum of its proper divisors (531096913).

1227359622911 is an equidigital number, since it uses as much as digits as its factorization.

1227359622911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531096912.

The product of its digits is 816480, while the sum is 50.

The spelling of 1227359622911 in words is "one trillion, two hundred twenty-seven billion, three hundred fifty-nine million, six hundred twenty-two thousand, nine hundred eleven".