22201121122110 has 48 divisors (see below), whose sum is σ = 65969045621856. Its totient is φ = 5074541970624.

The previous prime is 22201121122099. The next prime is 22201121122129. The reversal of 22201121122110 is 1122112110222.

22201121122110 is a `hidden beast` number, since 2 + 220 + 1 + 1 + 211 + 221 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17619936769 + ... + 17619938028.

It is an arithmetic number, because the mean of its divisors is an integer number (1374355117122).

Almost surely, 2^{22201121122110} is an apocalyptic number.

22201121122110 is an abundant number, since it is smaller than the sum of its proper divisors (43767924499746).

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

22201121122110 is a wasteful number, since it uses less digits than its factorization.

22201121122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35239874817 (or 35239874814 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22201121122110 its reverse (1122112110222), we get a palindrome (23323233232332).

The spelling of 22201121122110 in words is "twenty-two trillion, two hundred one billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred ten".