2101131143 has 2 divisors, whose sum is σ = 2101131144. Its totient is φ = 2101131142.

The previous prime is 2101131101. The next prime is 2101131161. The reversal of 2101131143 is 3411311012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101131143 - 2²⁴ = 2084353927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101131943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050565571 + 1050565572.

It is an arithmetic number, because the mean of its divisors is an integer number (1050565572).

Almost surely, 2^2101131143 is an apocalyptic number.

2101131143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101131143 is an equidigital number, since it uses as much as digits as its factorization.

2101131143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2101131143 is about 45838.0970700137. The cubic root of 2101131143 is about 1280.8090472351.

Adding to 2101131143 its reverse (3411311012), we get a palindrome (5512442155).

The spelling of 2101131143 in words is "two billion, one hundred one million, one hundred thirty-one thousand, one hundred forty-three".