22001200000122 has 32 divisors (see below), whose sum is σ = 50309793159552. Its totient is φ = 6283390140864.

The previous prime is 22001200000097. The next prime is 22001200000123. The reversal of 22001200000122 is 22100000210022.

It is a junction number, because it is equal to n+sod(n) for n = 22001200000098 and 22001200000107.

It is not an unprimeable number, because it can be changed into a prime (22001200000123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111024913 + ... + 111222900.

It is an arithmetic number, because the mean of its divisors is an integer number (1572181036236).

Almost surely, 2^{22001200000122} is an apocalyptic number.

22001200000122 is an abundant number, since it is smaller than the sum of its proper divisors (28308593159430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001200000122 is a wasteful number, since it uses less digits than its factorization.

22001200000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222250182.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22001200000122 its reverse (22100000210022), we get a palindrome (44101200210144).

The spelling of 22001200000122 in words is "twenty-two trillion, one billion, two hundred million, one hundred twenty-two", and thus it is an aban number.