11022111123 has 8 divisors (see below), whose sum is σ = 14738501568. Its totient is φ = 7326897384.

The previous prime is 11022111119. The next prime is 11022111151. The reversal of 11022111123 is 32111122011.

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

It is not a de Polignac number, because 11022111123 - 2² = 11022111119 is a prime.

It is a super-2 number, since 2×11022111123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11022111103) 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, 5292961 + ... + 5295042.

It is an arithmetic number, because the mean of its divisors is an integer number (1842312696).

Almost surely, 2^11022111123 is an apocalyptic number.

11022111123 is a deficient number, since it is larger than the sum of its proper divisors (3716390445).

11022111123 is a wasteful number, since it uses less digits than its factorization.

11022111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588353.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11022111123 its reverse (32111122011), we get a palindrome (43133233134).

The spelling of 11022111123 in words is "eleven billion, twenty-two million, one hundred eleven thousand, one hundred twenty-three".