11021012158 has 16 divisors (see below), whose sum is σ = 18417077280. Its totient is φ = 4911219936.

The previous prime is 11021012131. The next prime is 11021012159. The reversal of 11021012158 is 85121012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021012159) 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, 7307610 + ... + 7309117.

It is an arithmetic number, because the mean of its divisors is an integer number (1151067330).

Almost surely, 2^11021012158 is an apocalyptic number.

11021012158 is a deficient number, since it is larger than the sum of its proper divisors (7396065122).

11021012158 is a wasteful number, since it uses less digits than its factorization.

11021012158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14616771.

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

Adding to 11021012158 its reverse (85121012011), we get a palindrome (96142024169).

The spelling of 11021012158 in words is "eleven billion, twenty-one million, twelve thousand, one hundred fifty-eight".