22121240231403 has 24 divisors (see below), whose sum is σ = 32320597982400. Its totient is φ = 14577876872064.

The previous prime is 22121240231401. The next prime is 22121240231413. The reversal of 22121240231403 is 30413204212122.

22121240231403 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 1 + 24 + 0 + 231 + 403 = 666.

It is not a de Polignac number, because 22121240231403 - 2¹ = 22121240231401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121240231401) 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 23 ways as a sum of consecutive naturals, for example, 719668 + ... + 6690321.

It is an arithmetic number, because the mean of its divisors is an integer number (1346691582600).

Almost surely, 2^{22121240231403} is an apocalyptic number.

22121240231403 is a deficient number, since it is larger than the sum of its proper divisors (10199357750997).

22121240231403 is a wasteful number, since it uses less digits than its factorization.

22121240231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7413811 (or 7413808 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22121240231403 its reverse (30413204212122), we get a palindrome (52534444443525).

The spelling of 22121240231403 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred forty million, two hundred thirty-one thousand, four hundred three".