2101121101039 has 2 divisors, whose sum is σ = 2101121101040. Its totient is φ = 2101121101038.

The previous prime is 2101121100983. The next prime is 2101121101061. The reversal of 2101121101039 is 9301011211012.

It is an a-pointer prime, because the next prime (2101121101061) can be obtained adding 2101121101039 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101121101039 - 2³³ = 2092531166447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101121108039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050560550519 + 1050560550520.

It is an arithmetic number, because the mean of its divisors is an integer number (1050560550520).

Almost surely, 2^{2101121101039} is an apocalyptic number.

2101121101039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101121101039 is an equidigital number, since it uses as much as digits as its factorization.

2101121101039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 2101121101039 in words is "two trillion, one hundred one billion, one hundred twenty-one million, one hundred one thousand, thirty-nine".