2141122142 has 16 divisors (see below), whose sum is σ = 3412229760. Its totient is φ = 1005707808.

The previous prime is 2141122111. The next prime is 2141122147. The reversal of 2141122142 is 2412211412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141122147) 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 7 ways as a sum of consecutive naturals, for example, 496718 + ... + 501009.

It is an arithmetic number, because the mean of its divisors is an integer number (213264360).

Almost surely, 2^2141122142 is an apocalyptic number.

2141122142 is a deficient number, since it is larger than the sum of its proper divisors (1271107618).

2141122142 is a wasteful number, since it uses less digits than its factorization.

2141122142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997795.

The product of its digits is 256, while the sum is 20.

The square root of 2141122142 is about 46272.2610426592. The cubic root of 2141122142 is about 1288.8839458782.

Adding to 2141122142 its reverse (2412211412), we get a palindrome (4553333554).

The spelling of 2141122142 in words is "two billion, one hundred forty-one million, one hundred twenty-two thousand, one hundred forty-two".