2142242101 has 8 divisors (see below), whose sum is σ = 2172510080. Its totient is φ = 2112156432.

The previous prime is 2142242071. The next prime is 2142242111. The reversal of 2142242101 is 1012422412.

2142242101 = T₆₃₉₈ + T₆₃₉₉ + ... + T₆₅₀₀.

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 2142242101 - 2⁹ = 2142241589 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 (2142242111) 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, 21825 + ... + 68998.

It is an arithmetic number, because the mean of its divisors is an integer number (271563760).

Almost surely, 2^2142242101 is an apocalyptic number.

It is an amenable number.

2142242101 is a deficient number, since it is larger than the sum of its proper divisors (30267979).

2142242101 is a wasteful number, since it uses less digits than its factorization.

2142242101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91155.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2142242101 is about 46284.3613005516. The cubic root of 2142242101 is about 1289.1086326653.

Adding to 2142242101 its reverse (1012422412), we get a palindrome (3154664513).

The spelling of 2142242101 in words is "two billion, one hundred forty-two million, two hundred forty-two thousand, one hundred one".