11222111222158 has 8 divisors (see below), whose sum is σ = 16833314207952. Its totient is φ = 5611006486176.

The previous prime is 11222111222089. The next prime is 11222111222159. The reversal of 11222111222158 is 85122211122211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222111222159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24276235 + ... + 24734182.

It is an arithmetic number, because the mean of its divisors is an integer number (2104164275994).

Almost surely, 2^{11222111222158} is an apocalyptic number.

11222111222158 is a deficient number, since it is larger than the sum of its proper divisors (5611202985794).

11222111222158 is a wasteful number, since it uses less digits than its factorization.

11222111222158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49124906.

The product of its digits is 2560, while the sum is 31.

Adding to 11222111222158 its reverse (85122211122211), we get a palindrome (96344322344369).

The spelling of 11222111222158 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, one hundred fifty-eight".