11421222637 has 8 divisors (see below), whose sum is σ = 12538877472. Its totient is φ = 10316794800.

The previous prime is 11421222619. The next prime is 11421222667. The reversal of 11421222637 is 73622212411.

It is a happy number.

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 11421222637 - 2⁷ = 11421222509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11421222599 and 11421222608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421222667) 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, 3304939 + ... + 3308392.

It is an arithmetic number, because the mean of its divisors is an integer number (1567359684).

Almost surely, 2^11421222637 is an apocalyptic number.

It is an amenable number.

11421222637 is a deficient number, since it is larger than the sum of its proper divisors (1117654835).

11421222637 is a wasteful number, since it uses less digits than its factorization.

11421222637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613499.

The product of its digits is 8064, while the sum is 31.

The spelling of 11421222637 in words is "eleven billion, four hundred twenty-one million, two hundred twenty-two thousand, six hundred thirty-seven".