402112011 has 16 divisors (see below), whose sum is σ = 616649984. Its totient is φ = 228312864.

The previous prime is 402112001. The next prime is 402112021. The reversal of 402112011 is 110211204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402112001) and next prime (402112021).

It is not a de Polignac number, because 402112011 - 2⁶ = 402111947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402112001) 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, 57685 + ... + 64278.

It is an arithmetic number, because the mean of its divisors is an integer number (38540624).

Almost surely, 2^402112011 is an apocalyptic number.

402112011 is a deficient number, since it is larger than the sum of its proper divisors (214537973).

402112011 is a wasteful number, since it uses less digits than its factorization.

402112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122130.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 402112011 is about 20052.7307616693. The cubic root of 402112011 is about 738.1008098862.

Adding to 402112011 its reverse (110211204), we get a palindrome (512323215).

The spelling of 402112011 in words is "four hundred two million, one hundred twelve thousand, eleven".