11111323030 has 16 divisors (see below), whose sum is σ = 20690050320. Its totient is φ = 4291269472.

The previous prime is 11111323007. The next prime is 11111323037. The reversal of 11111323030 is 3032311111.

It is a super-2 number, since 2×11111323030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111322995 and 11111323013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111323037) 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, 19157164 + ... + 19157743.

It is an arithmetic number, because the mean of its divisors is an integer number (1293128145).

Almost surely, 2^11111323030 is an apocalyptic number.

11111323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111323030 is a deficient number, since it is larger than the sum of its proper divisors (9578727290).

11111323030 is a wasteful number, since it uses less digits than its factorization.

11111323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38314943.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11111323030 its reverse (3032311111), we get a palindrome (14143634141).

The spelling of 11111323030 in words is "eleven billion, one hundred eleven million, three hundred twenty-three thousand, thirty".