2021401112 has 16 divisors (see below), whose sum is σ = 3801582600. Its totient is φ = 1007645760.

The previous prime is 2021401111. The next prime is 2021401157. The reversal of 2021401112 is 2111041202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021401111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379037 + ... + 384332.

Almost surely, 2^2021401112 is an apocalyptic number.

It is an amenable number.

2021401112 is a deficient number, since it is larger than the sum of its proper divisors (1780181488).

2021401112 is a wasteful number, since it uses less digits than its factorization.

2021401112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763706 (or 763702 counting only the distinct ones).

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

The square root of 2021401112 is about 44959.9945729534. The cubic root of 2021401112 is about 1264.3990671657.

Adding to 2021401112 its reverse (2111041202), we get a palindrome (4132442314).

The spelling of 2021401112 in words is "two billion, twenty-one million, four hundred one thousand, one hundred twelve".