213222877099 has 4 divisors (see below), whose sum is σ = 214033610736. Its totient is φ = 212412143464.

The previous prime is 213222877097. The next prime is 213222877103. The reversal of 213222877099 is 990778222312.

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

It is a cyclic number.

It is not a de Polignac number, because 213222877099 - 2¹ = 213222877097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213222877093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405366424 + ... + 405366949.

It is an arithmetic number, because the mean of its divisors is an integer number (53508402684).

Almost surely, 2^213222877099 is an apocalyptic number.

213222877099 is a deficient number, since it is larger than the sum of its proper divisors (810733637).

213222877099 is an equidigital number, since it uses as much as digits as its factorization.

213222877099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810733636.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 213222877099 in words is "two hundred thirteen billion, two hundred twenty-two million, eight hundred seventy-seven thousand, ninety-nine".