2141505101 has 4 divisors (see below), whose sum is σ = 2176611804. Its totient is φ = 2106398400.

The previous prime is 2141505013. The next prime is 2141505109. The reversal of 2141505101 is 1015051412.

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 1185149476 + 956355625 = 34426^2 + 30925^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141505101 - 2¹⁰ = 2141504077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141505109) 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, 17553260 + ... + 17553381.

It is an arithmetic number, because the mean of its divisors is an integer number (544152951).

Almost surely, 2^2141505101 is an apocalyptic number.

It is an amenable number.

2141505101 is a deficient number, since it is larger than the sum of its proper divisors (35106703).

2141505101 is an equidigital number, since it uses as much as digits as its factorization.

2141505101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35106702.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 2141505101 is about 46276.3989631864. The cubic root of 2141505101 is about 1288.9607841356.

Adding to 2141505101 its reverse (1015051412), we get a palindrome (3156556513).

The spelling of 2141505101 in words is "two billion, one hundred forty-one million, five hundred five thousand, one hundred one".