11211202245 has 32 divisors (see below), whose sum is σ = 19045006848. Its totient is φ = 5612203008.

The previous prime is 11211202231. The next prime is 11211202253. The reversal of 11211202245 is 54220211211.

It is not a de Polignac number, because 11211202245 - 2⁴ = 11211202229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33687 + ... + 153483.

It is an arithmetic number, because the mean of its divisors is an integer number (595156464).

Almost surely, 2^11211202245 is an apocalyptic number.

11211202245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11211202245 is a deficient number, since it is larger than the sum of its proper divisors (7833804603).

11211202245 is a wasteful number, since it uses less digits than its factorization.

11211202245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120189.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11211202245 its reverse (54220211211), we get a palindrome (65431413456).

The spelling of 11211202245 in words is "eleven billion, two hundred eleven million, two hundred two thousand, two hundred forty-five".