101023121039 has 2 divisors, whose sum is σ = 101023121040. Its totient is φ = 101023121038.

The previous prime is 101023121009. The next prime is 101023121047. The reversal of 101023121039 is 930121320101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101023121039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101023121009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511560519 + 50511560520.

It is an arithmetic number, because the mean of its divisors is an integer number (50511560520).

Almost surely, 2^101023121039 is an apocalyptic number.

101023121039 is a deficient number, since it is larger than the sum of its proper divisors (1).

101023121039 is an equidigital number, since it uses as much as digits as its factorization.

101023121039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 101023121039 in words is "one hundred one billion, twenty-three million, one hundred twenty-one thousand, thirty-nine".