11621404145222 has 32 divisors (see below), whose sum is σ = 17505435709440. Its totient is φ = 5786310449920.

The previous prime is 11621404145213. The next prime is 11621404145249. The reversal of 11621404145222 is 22254140412611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034912947 + ... + 2034918657.

It is an arithmetic number, because the mean of its divisors is an integer number (547044865920).

Almost surely, 2^{11621404145222} is an apocalyptic number.

11621404145222 is a deficient number, since it is larger than the sum of its proper divisors (5884031564218).

11621404145222 is a wasteful number, since it uses less digits than its factorization.

11621404145222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508.

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 11621404145222 its reverse (22254140412611), we get a palindrome (33875544557833).

The spelling of 11621404145222 in words is "eleven trillion, six hundred twenty-one billion, four hundred four million, one hundred forty-five thousand, two hundred twenty-two".