11212100223311 has 8 divisors (see below), whose sum is σ = 12710073127920. Its totient is φ = 9804913555392.

The previous prime is 11212100223307. The next prime is 11212100223343. The reversal of 11212100223311 is 11332200121211.

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 11212100223311 - 2² = 11212100223307 is a prime.

It is a super-2 number, since 2×11212100223311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212100223371) 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, 22696558910 + ... + 22696559403.

It is an arithmetic number, because the mean of its divisors is an integer number (1588759140990).

Almost surely, 2^{11212100223311} is an apocalyptic number.

11212100223311 is a deficient number, since it is larger than the sum of its proper divisors (1497972904609).

11212100223311 is a wasteful number, since it uses less digits than its factorization.

11212100223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45393118345.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11212100223311 its reverse (11332200121211), we get a palindrome (22544300344522).

The spelling of 11212100223311 in words is "eleven trillion, two hundred twelve billion, one hundred million, two hundred twenty-three thousand, three hundred eleven".