2101445401 has 8 divisors (see below), whose sum is σ = 2293175808. Its totient is φ = 1909830000.

The previous prime is 2101445387. The next prime is 2101445413. The reversal of 2101445401 is 1045441012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101445401 - 2⁵ = 2101445369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101445441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11976 + ... + 65926.

It is an arithmetic number, because the mean of its divisors is an integer number (286646976).

Almost surely, 2^2101445401 is an apocalyptic number.

It is an amenable number.

2101445401 is a deficient number, since it is larger than the sum of its proper divisors (191730407).

2101445401 is a wasteful number, since it uses less digits than its factorization.

2101445401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57503.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2101445401 is about 45841.5248546555. The cubic root of 2101445401 is about 1280.8728992584.

Adding to 2101445401 its reverse (1045441012), we get a palindrome (3146886413).

The spelling of 2101445401 in words is "two billion, one hundred one million, four hundred forty-five thousand, four hundred one".