11333222156 has 24 divisors (see below), whose sum is σ = 20561642640. Its totient is φ = 5459316800.

The previous prime is 11333222143. The next prime is 11333222167. The reversal of 11333222156 is 65122233311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52490 + ... + 159441.

It is an arithmetic number, because the mean of its divisors is an integer number (856735110).

Almost surely, 2^11333222156 is an apocalyptic number.

It is an amenable number.

11333222156 is a deficient number, since it is larger than the sum of its proper divisors (9228420484).

11333222156 is a wasteful number, since it uses less digits than its factorization.

11333222156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212425 (or 212423 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

Adding to 11333222156 its reverse (65122233311), we get a palindrome (76455455467).

The spelling of 11333222156 in words is "eleven billion, three hundred thirty-three million, two hundred twenty-two thousand, one hundred fifty-six".