402241111001 has 4 divisors (see below), whose sum is σ = 404803156452. Its totient is φ = 399679065552.

The previous prime is 402241110983. The next prime is 402241111021. The reversal of 402241111001 is 100111142204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 257506517401 + 144734593600 = 507451^2 + 380440^2 .

It is a cyclic number.

It is not a de Polignac number, because 402241111001 - 2³⁰ = 401167369177 is a prime.

It is a super-2 number, since 2×402241111001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402241111021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281022490 + ... + 1281022803.

It is an arithmetic number, because the mean of its divisors is an integer number (101200789113).

Almost surely, 2^402241111001 is an apocalyptic number.

It is an amenable number.

402241111001 is a deficient number, since it is larger than the sum of its proper divisors (2562045451).

402241111001 is a wasteful number, since it uses less digits than its factorization.

402241111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562045450.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 402241111001 its reverse (100111142204), we get a palindrome (502352253205).

The spelling of 402241111001 in words is "four hundred two billion, two hundred forty-one million, one hundred eleven thousand, one".