20201122112 has 14 divisors (see below), whose sum is σ = 40086601818. Its totient is φ = 10100561024.

The previous prime is 20201122043. The next prime is 20201122121. The reversal of 20201122112 is 21122110202.

It can be written as a sum of positive squares in only one way, i.e., 16379904256 + 3821217856 = 127984^2 + 61816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157821203 + ... + 157821330.

Almost surely, 2^20201122112 is an apocalyptic number.

It is an amenable number.

20201122112 is a deficient number, since it is larger than the sum of its proper divisors (19885479706).

20201122112 is an equidigital number, since it uses as much as digits as its factorization.

20201122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315642545 (or 315642535 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201122112 its reverse (21122110202), we get a palindrome (41323232314).

The spelling of 20201122112 in words is "twenty billion, two hundred one million, one hundred twenty-two thousand, one hundred twelve".