11021211146 has 64 divisors (see below), whose sum is σ = 19541212416. Its totient is φ = 4606156800.

The previous prime is 11021211121. The next prime is 11021211167. The reversal of 11021211146 is 64111212011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2998766 + ... + 3002438.

It is an arithmetic number, because the mean of its divisors is an integer number (305331444).

Almost surely, 2^11021211146 is an apocalyptic number.

11021211146 is a deficient number, since it is larger than the sum of its proper divisors (8520001270).

11021211146 is a wasteful number, since it uses less digits than its factorization.

11021211146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11021211146 its reverse (64111212011), we get a palindrome (75132423157).

The spelling of 11021211146 in words is "eleven billion, twenty-one million, two hundred eleven thousand, one hundred forty-six".