11111011210223 has 8 divisors (see below), whose sum is σ = 11764642403520. Its totient is φ = 10457384716800.

The previous prime is 11111011210199. The next prime is 11111011210231. The reversal of 11111011210223 is 32201211011111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111011210223 - 2⁸ = 11111011209967 is a prime.

It is a super-2 number, since 2×11111011210223² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111011215223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4466183 + ... + 6493751.

It is an arithmetic number, because the mean of its divisors is an integer number (1470580300440).

Almost surely, 2^{11111011210223} is an apocalyptic number.

11111011210223 is a deficient number, since it is larger than the sum of its proper divisors (653631193297).

11111011210223 is a wasteful number, since it uses less digits than its factorization.

11111011210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349937.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11111011210223 its reverse (32201211011111), we get a palindrome (43312222221334).

The spelling of 11111011210223 in words is "eleven trillion, one hundred eleven billion, eleven million, two hundred ten thousand, two hundred twenty-three".