22110100212122 has 24 divisors (see below), whose sum is σ = 35912959071804. Its totient is φ = 10204548017664.

The previous prime is 22110100212107. The next prime is 22110100212133. The reversal of 22110100212122 is 22121200101122.

It can be written as a sum of positive squares in 6 ways, for example, as 2990198349961 + 19119901862161 = 1729219^2 + 4372631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22110100212122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35155658 + ... + 35779050.

Almost surely, 2^{22110100212122} is an apocalyptic number.

22110100212122 is a deficient number, since it is larger than the sum of its proper divisors (13802858859682).

22110100212122 is a wasteful number, since it uses less digits than its factorization.

22110100212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728354 (or 728341 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22110100212122 its reverse (22121200101122), we get a palindrome (44231300313244).

The spelling of 22110100212122 in words is "twenty-two trillion, one hundred ten billion, one hundred million, two hundred twelve thousand, one hundred twenty-two".