12021113401 has 16 divisors (see below), whose sum is σ = 14010197760. Its totient is φ = 10198576080.

The previous prime is 12021113393. The next prime is 12021113441. The reversal of 12021113401 is 10431112021.

It is not a de Polignac number, because 12021113401 - 2³ = 12021113393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021113441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415231 + ... + 443236.

It is an arithmetic number, because the mean of its divisors is an integer number (875637360).

Almost surely, 2^12021113401 is an apocalyptic number.

12021113401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12021113401 is a deficient number, since it is larger than the sum of its proper divisors (1989084359).

12021113401 is a wasteful number, since it uses less digits than its factorization.

12021113401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858564.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12021113401 its reverse (10431112021), we get a palindrome (22452225422).

The spelling of 12021113401 in words is "twelve billion, twenty-one million, one hundred thirteen thousand, four hundred one".