2101222021499 has 2 divisors, whose sum is σ = 2101222021500. Its totient is φ = 2101222021498.

The previous prime is 2101222021463. The next prime is 2101222021529. The reversal of 2101222021499 is 9941202221012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101222021499 - 2¹² = 2101222017403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101222081499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611010749 + 1050611010750.

It is an arithmetic number, because the mean of its divisors is an integer number (1050611010750).

Almost surely, 2^{2101222021499} is an apocalyptic number.

2101222021499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101222021499 is an equidigital number, since it uses as much as digits as its factorization.

2101222021499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 2101222021499 in words is "two trillion, one hundred one billion, two hundred twenty-two million, twenty-one thousand, four hundred ninety-nine".