2142011101 has 4 divisors (see below), whose sum is σ = 2268011772. Its totient is φ = 2016010432.

The previous prime is 2142011099. The next prime is 2142011213. The reversal of 2142011101 is 1011102412.

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 1730976025 + 411035076 = 41605^2 + 20274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142011101 - 2¹ = 2142011099 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 (2142011701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63000310 + ... + 63000343.

It is an arithmetic number, because the mean of its divisors is an integer number (567002943).

Almost surely, 2^2142011101 is an apocalyptic number.

It is an amenable number.

2142011101 is a deficient number, since it is larger than the sum of its proper divisors (126000671).

2142011101 is a wasteful number, since it uses less digits than its factorization.

2142011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126000670.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2142011101 is about 46281.8657899614. The cubic root of 2142011101 is about 1289.0622957304.

Adding to 2142011101 its reverse (1011102412), we get a palindrome (3153113513).

The spelling of 2142011101 in words is "two billion, one hundred forty-two million, eleven thousand, one hundred one".