1023142122091 has 2 divisors, whose sum is σ = 1023142122092. Its totient is φ = 1023142122090.

The previous prime is 1023142122029. The next prime is 1023142122127. The reversal of 1023142122091 is 1902212413201.

1023142122091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023142122091 - 2²¹ = 1023140024939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023142122791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511571061045 + 511571061046.

It is an arithmetic number, because the mean of its divisors is an integer number (511571061046).

Almost surely, 2^{1023142122091} is an apocalyptic number.

1023142122091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023142122091 is an equidigital number, since it uses as much as digits as its factorization.

1023142122091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 1023142122091 its reverse (1902212413201), we get a palindrome (2925354535292).

The spelling of 1023142122091 in words is "one trillion, twenty-three billion, one hundred forty-two million, one hundred twenty-two thousand, ninety-one".