22121120200109 has 16 divisors (see below), whose sum is σ = 25294035959808. Its totient is φ = 18951394392432.

The previous prime is 22121120200103. The next prime is 22121120200133. The reversal of 22121120200109 is 90100202112122.

It is a cyclic number.

It is not a de Polignac number, because 22121120200109 - 2²⁴ = 22121103422893 is a prime.

It is a super-2 number, since 2×22121120200109² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121120200103) 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, 376904564 + ... + 376963250.

It is an arithmetic number, because the mean of its divisors is an integer number (1580877247488).

Almost surely, 2^{22121120200109} is an apocalyptic number.

It is an amenable number.

22121120200109 is a deficient number, since it is larger than the sum of its proper divisors (3172915759699).

22121120200109 is a wasteful number, since it uses less digits than its factorization.

22121120200109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84944.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 22121120200109 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred thousand, one hundred nine".