2142120371 has 2 divisors, whose sum is σ = 2142120372. Its totient is φ = 2142120370.

The previous prime is 2142120361. The next prime is 2142120503. The reversal of 2142120371 is 1730212412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142120371 - 2¹⁴ = 2142103987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142120301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071060185 + 1071060186.

It is an arithmetic number, because the mean of its divisors is an integer number (1071060186).

Almost surely, 2^2142120371 is an apocalyptic number.

2142120371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142120371 is an equidigital number, since it uses as much as digits as its factorization.

2142120371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2142120371 is about 46283.0462588624. The cubic root of 2142120371 is about 1289.0842149200.

Adding to 2142120371 its reverse (1730212412), we get a palindrome (3872332783).

The spelling of 2142120371 in words is "two billion, one hundred forty-two million, one hundred twenty thousand, three hundred seventy-one".