101012321143 has 2 divisors, whose sum is σ = 101012321144. Its totient is φ = 101012321142.

The previous prime is 101012321117. The next prime is 101012321153. The reversal of 101012321143 is 341123210101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101012321143 - 2⁹ = 101012320631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101012321143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012321153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506160571 + 50506160572.

It is an arithmetic number, because the mean of its divisors is an integer number (50506160572).

Almost surely, 2^101012321143 is an apocalyptic number.

101012321143 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012321143 is an equidigital number, since it uses as much as digits as its factorization.

101012321143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101012321143 its reverse (341123210101), we get a palindrome (442135531244).

The spelling of 101012321143 in words is "one hundred one billion, twelve million, three hundred twenty-one thousand, one hundred forty-three".