22021000100122 has 16 divisors (see below), whose sum is σ = 34983472387392. Its totient is φ = 10360173853120.

The previous prime is 22021000100117. The next prime is 22021000100129. The reversal of 22021000100122 is 22100100012022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22021000100129) 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, 82668928 + ... + 82934875.

It is an arithmetic number, because the mean of its divisors is an integer number (2186467024212).

Almost surely, 2^{22021000100122} is an apocalyptic number.

22021000100122 is a deficient number, since it is larger than the sum of its proper divisors (12962472287270).

22021000100122 is a wasteful number, since it uses less digits than its factorization.

22021000100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165607733.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22021000100122 its reverse (22100100012022), we get a palindrome (44121100112144).

The spelling of 22021000100122 in words is "twenty-two trillion, twenty-one billion, one hundred thousand, one hundred twenty-two".