22101021101122 has 16 divisors (see below), whose sum is σ = 33850959057432. Its totient is φ = 10819577963520.

The previous prime is 22101021101101. The next prime is 22101021101161. The reversal of 22101021101122 is 22110112010122.

It can be written as a sum of positive squares in 4 ways, for example, as 17948347429401 + 4152673671721 = 4236549^2 + 2037811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22101021101096 and 22101021101105.

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, 552450279 + ... + 552490282.

Almost surely, 2^{22101021101122} is an apocalyptic number.

22101021101122 is a deficient number, since it is larger than the sum of its proper divisors (11749937956310).

22101021101122 is a wasteful number, since it uses less digits than its factorization.

22101021101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104940773.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22101021101122 its reverse (22110112010122), we get a palindrome (44211133111244).

The spelling of 22101021101122 in words is "twenty-two trillion, one hundred one billion, twenty-one million, one hundred one thousand, one hundred twenty-two".