23311011121222 has 16 divisors (see below), whose sum is σ = 38956892861952. Its totient is φ = 10370469163720.

The previous prime is 23311011121199. The next prime is 23311011121283. The reversal of 23311011121222 is 22212111011332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23311011121193 and 23311011121202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11272248058 + ... + 11272250125.

It is an arithmetic number, because the mean of its divisors is an integer number (2434805803872).

Almost surely, 2^{23311011121222} is an apocalyptic number.

23311011121222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23311011121222 is a deficient number, since it is larger than the sum of its proper divisors (15645881740730).

23311011121222 is a wasteful number, since it uses less digits than its factorization.

23311011121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22544498243.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 23311011121222 its reverse (22212111011332), we get a palindrome (45523122132554).

The spelling of 23311011121222 in words is "twenty-three trillion, three hundred eleven billion, eleven million, one hundred twenty-one thousand, two hundred twenty-two".