2142201142 has 4 divisors (see below), whose sum is σ = 3213301716. Its totient is φ = 1071100570.

The previous prime is 2142201121. The next prime is 2142201143. The reversal of 2142201142 is 2411022412.

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

It is a super-2 number, since 2×2142201142² = 9178051465572208328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142201143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535550284 + ... + 535550287.

It is an arithmetic number, because the mean of its divisors is an integer number (803325429).

Almost surely, 2^2142201142 is an apocalyptic number.

2142201142 is a deficient number, since it is larger than the sum of its proper divisors (1071100574).

2142201142 is a wasteful number, since it uses less digits than its factorization.

2142201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071100573.

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

The square root of 2142201142 is about 46283.9188271693. The cubic root of 2142201142 is about 1289.1004168281.

Adding to 2142201142 its reverse (2411022412), we get a palindrome (4553223554).

The spelling of 2142201142 in words is "two billion, one hundred forty-two million, two hundred one thousand, one hundred forty-two".