222121020299 has 4 divisors (see below), whose sum is σ = 222173374536. Its totient is φ = 222068666064.

The previous prime is 222121020287. The next prime is 222121020311. The reversal of 222121020299 is 992020121222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (222121020287) and next prime (222121020311).

It is a cyclic number.

It is not a de Polignac number, because 222121020299 - 2¹⁶ = 222120954763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121020269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26170754 + ... + 26179239.

It is an arithmetic number, because the mean of its divisors is an integer number (55543343634).

Almost surely, 2^222121020299 is an apocalyptic number.

222121020299 is a deficient number, since it is larger than the sum of its proper divisors (52354237).

222121020299 is an equidigital number, since it uses as much as digits as its factorization.

222121020299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52354236.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 222121020299 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty thousand, two hundred ninety-nine".