22012112321122 has 16 divisors (see below), whose sum is σ = 41165508756672. Its totient is φ = 8576147657520.

The previous prime is 22012112321107. The next prime is 22012112321123. The reversal of 22012112321122 is 22112321121022.

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 = 22012112321093 and 22012112321102.

It is not an unprimeable number, because it can be changed into a prime (22012112321123) 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, 71467896993 + ... + 71467897300.

It is an arithmetic number, because the mean of its divisors is an integer number (2572844297292).

Almost surely, 2^{22012112321122} is an apocalyptic number.

22012112321122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22012112321122 is a deficient number, since it is larger than the sum of its proper divisors (19153396435550).

22012112321122 is a wasteful number, since it uses less digits than its factorization.

22012112321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142935794313.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22012112321122 its reverse (22112321121022), we get a palindrome (44124433442144).

The spelling of 22012112321122 in words is "twenty-two trillion, twelve billion, one hundred twelve million, three hundred twenty-one thousand, one hundred twenty-two".