22001221100099 has 2 divisors, whose sum is σ = 22001221100100. Its totient is φ = 22001221100098.

The previous prime is 22001221100087. The next prime is 22001221100113. The reversal of 22001221100099 is 99000112210022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001221100099 - 2¹⁶ = 22001221034563 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001221100399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000610550049 + 11000610550050.

It is an arithmetic number, because the mean of its divisors is an integer number (11000610550050).

Almost surely, 2^{22001221100099} is an apocalyptic number.

22001221100099 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001221100099 is an equidigital number, since it uses as much as digits as its factorization.

22001221100099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 22001221100099 in words is "twenty-two trillion, one billion, two hundred twenty-one million, one hundred thousand, ninety-nine".