22001101199965 has 32 divisors (see below), whose sum is σ = 27999682905600. Its totient is φ = 16549628866560.

The previous prime is 22001101199963. The next prime is 22001101199969. The reversal of 22001101199965 is 56999110110022.

It is not a de Polignac number, because 22001101199965 - 2¹ = 22001101199963 is a prime.

It is a super-2 number, since 2×22001101199965² (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 (22001101199963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6510331 + ... + 9294439.

It is an arithmetic number, because the mean of its divisors is an integer number (874990090800).

Almost surely, 2^{22001101199965} is an apocalyptic number.

It is an amenable number.

22001101199965 is a deficient number, since it is larger than the sum of its proper divisors (5998581705635).

22001101199965 is a wasteful number, since it uses less digits than its factorization.

22001101199965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784757.

The product of its (nonzero) digits is 87480, while the sum is 46.

The spelling of 22001101199965 in words is "twenty-two trillion, one billion, one hundred one million, one hundred ninety-nine thousand, nine hundred sixty-five".