10111220158 has 32 divisors (see below), whose sum is σ = 17360179200. Its totient is φ = 4378154976.

The previous prime is 10111220143. The next prime is 10111220219. The reversal of 10111220158 is 85102211101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48478 + ... + 150241.

It is an arithmetic number, because the mean of its divisors is an integer number (542505600).

Almost surely, 2^10111220158 is an apocalyptic number.

10111220158 is a deficient number, since it is larger than the sum of its proper divisors (7248959042).

10111220158 is a wasteful number, since it uses less digits than its factorization.

10111220158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198856.

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 10111220158 its reverse (85102211101), we get a palindrome (95213431259).

The spelling of 10111220158 in words is "ten billion, one hundred eleven million, two hundred twenty thousand, one hundred fifty-eight".