11100223111021 has 8 divisors (see below), whose sum is σ = 12245394240000. Its totient is φ = 9977728638240.

The previous prime is 11100223111007. The next prime is 11100223111039. The reversal of 11100223111021 is 12011132200111.

It is a happy number.

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

It is not a de Polignac number, because 11100223111021 - 2⁵ = 11100223110989 is a prime.

It is a super-2 number, since 2×11100223111021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100223110986 and 11100223111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100224111021) 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, 5669163021 + ... + 5669164978.

It is an arithmetic number, because the mean of its divisors is an integer number (1530674280000).

Almost surely, 2^{11100223111021} is an apocalyptic number.

11100223111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100223111021 is a deficient number, since it is larger than the sum of its proper divisors (1145171128979).

11100223111021 is a wasteful number, since it uses less digits than its factorization.

11100223111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11338328099.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11100223111021 its reverse (12011132200111), we get a palindrome (23111355311132).

The spelling of 11100223111021 in words is "eleven trillion, one hundred billion, two hundred twenty-three million, one hundred eleven thousand, twenty-one".