111222012022022 has 64 divisors (see below), whose sum is σ = 184388728209408. Its totient is φ = 49895154960000.

The previous prime is 111222012022019. The next prime is 111222012022057. The reversal of 111222012022022 is 220220210222111.

It is a junction number, because it is equal to n+sod(n) for n = 111222012021985 and 111222012022003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1804613147 + ... + 1804674777.

It is an arithmetic number, because the mean of its divisors is an integer number (2881073878272).

Almost surely, 2^{111222012022022} is an apocalyptic number.

111222012022022 is a deficient number, since it is larger than the sum of its proper divisors (73166716187386).

111222012022022 is a wasteful number, since it uses less digits than its factorization.

111222012022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64325.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 111222012022022 its reverse (220220210222111), we get a palindrome (331442222244133).

The spelling of 111222012022022 in words is "one hundred eleven trillion, two hundred twenty-two billion, twelve million, twenty-two thousand, twenty-two".