1163211021112 has 16 divisors (see below), whose sum is σ = 2492595045360. Its totient is φ = 498519009024.

The previous prime is 1163211020903. The next prime is 1163211021131. The reversal of 1163211021112 is 2111201123611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10385812633 + ... + 10385812744.

It is an arithmetic number, because the mean of its divisors is an integer number (155787190335).

Almost surely, 2^{1163211021112} is an apocalyptic number.

It is an amenable number.

1163211021112 is an abundant number, since it is smaller than the sum of its proper divisors (1329384024248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163211021112 is a wasteful number, since it uses less digits than its factorization.

1163211021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771625390 (or 20771625386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 1163211021112 its reverse (2111201123611), we get a palindrome (3274412144723).

The spelling of 1163211021112 in words is "one trillion, one hundred sixty-three billion, two hundred eleven million, twenty-one thousand, one hundred twelve".