22001210201999 has 16 divisors (see below), whose sum is σ = 26063043342336. Its totient is φ = 18174126211200.

The previous prime is 22001210201981. The next prime is 22001210202031. The reversal of 22001210201999 is 99910201210022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22001210201999 - 2¹² = 22001210197903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001210201969) 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, 210296387 + ... + 210400980.

It is an arithmetic number, because the mean of its divisors is an integer number (1628940208896).

Almost surely, 2^{22001210201999} is an apocalyptic number.

22001210201999 is a deficient number, since it is larger than the sum of its proper divisors (4061833140337).

22001210201999 is a wasteful number, since it uses less digits than its factorization.

22001210201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420697646.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 22001210201999 in words is "twenty-two trillion, one billion, two hundred ten million, two hundred one thousand, nine hundred ninety-nine".