22001166646111 has 32 divisors (see below), whose sum is σ = 23712009120000. Its totient is φ = 20351046216960.

The previous prime is 22001166646093. The next prime is 22001166646139. The reversal of 22001166646111 is 11164666110022.

It is a cyclic number.

It is not a de Polignac number, because 22001166646111 - 2¹⁵ = 22001166613343 is a prime.

It is a super-2 number, since 2×22001166646111² (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 (22001166646141) 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, 117952120 + ... + 118138498.

It is an arithmetic number, because the mean of its divisors is an integer number (741000285000).

Almost surely, 2^{22001166646111} is an apocalyptic number.

22001166646111 is a deficient number, since it is larger than the sum of its proper divisors (1710842473889).

22001166646111 is a wasteful number, since it uses less digits than its factorization.

22001166646111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187207.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 22001166646111 in words is "twenty-two trillion, one billion, one hundred sixty-six million, six hundred forty-six thousand, one hundred eleven".