1211122410403 has 8 divisors (see below), whose sum is σ = 1245529575648. Its totient is φ = 1176803357184.

The previous prime is 1211122410389. The next prime is 1211122410439. The reversal of 1211122410403 is 3040142211121.

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

It is a cyclic number.

It is not a de Polignac number, because 1211122410403 - 2⁵ = 1211122410371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1211122410473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22000126 + ... + 22055107.

It is an arithmetic number, because the mean of its divisors is an integer number (155691196956).

Almost surely, 2^{1211122410403} is an apocalyptic number.

1211122410403 is a deficient number, since it is larger than the sum of its proper divisors (34407165245).

1211122410403 is an equidigital number, since it uses as much as digits as its factorization.

1211122410403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44056013.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1211122410403 its reverse (3040142211121), we get a palindrome (4251264621524).

The spelling of 1211122410403 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, four hundred ten thousand, four hundred three".