11213220995 has 32 divisors (see below), whose sum is σ = 14834425536. Its totient is φ = 8101785600.

The previous prime is 11213220989. The next prime is 11213221007. The reversal of 11213220995 is 59902231211.

It is not a de Polignac number, because 11213220995 - 2¹⁰ = 11213219971 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186212 + ... + 238958.

It is an arithmetic number, because the mean of its divisors is an integer number (463575798).

Almost surely, 2^11213220995 is an apocalyptic number.

11213220995 is a deficient number, since it is larger than the sum of its proper divisors (3621204541).

11213220995 is a wasteful number, since it uses less digits than its factorization.

11213220995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52871.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 11213220995 in words is "eleven billion, two hundred thirteen million, two hundred twenty thousand, nine hundred ninety-five".