1225440200111 has 8 divisors (see below), whose sum is σ = 1227859447248. Its totient is φ = 1223023336000.

The previous prime is 1225440200057. The next prime is 1225440200137. The reversal of 1225440200111 is 1110020445221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225440200111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225440200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435491 + ... + 1624971.

It is an arithmetic number, because the mean of its divisors is an integer number (153482430906).

Almost surely, 2^{1225440200111} is an apocalyptic number.

1225440200111 is a deficient number, since it is larger than the sum of its proper divisors (2419247137).

1225440200111 is a wasteful number, since it uses less digits than its factorization.

1225440200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191513.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 1225440200111 its reverse (1110020445221), we get a palindrome (2335460645332).

The spelling of 1225440200111 in words is "one trillion, two hundred twenty-five billion, four hundred forty million, two hundred thousand, one hundred eleven".