23112202211 has 32 divisors (see below), whose sum is σ = 28121499648. Its totient is φ = 18565747200.

The previous prime is 23112202207. The next prime is 23112202213. The reversal of 23112202211 is 11220221132.

It is not a de Polignac number, because 23112202211 - 2² = 23112202207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23112202211.

It is not an unprimeable number, because it can be changed into a prime (23112202213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8250011 + ... + 8252811.

It is an arithmetic number, because the mean of its divisors is an integer number (878796864).

Almost surely, 2^23112202211 is an apocalyptic number.

23112202211 is a deficient number, since it is larger than the sum of its proper divisors (5009297437).

23112202211 is a wasteful number, since it uses less digits than its factorization.

23112202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 23112202211 its reverse (11220221132), we get a palindrome (34332423343).

The spelling of 23112202211 in words is "twenty-three billion, one hundred twelve million, two hundred two thousand, two hundred eleven".