2122121021039 has 2 divisors, whose sum is σ = 2122121021040. Its totient is φ = 2122121021038.

The previous prime is 2122121021011. The next prime is 2122121021047. The reversal of 2122121021039 is 9301201212212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122121021039 - 2¹² = 2122121016943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122121020999 and 2122121021017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122121023039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061060510519 + 1061060510520.

It is an arithmetic number, because the mean of its divisors is an integer number (1061060510520).

Almost surely, 2^{2122121021039} is an apocalyptic number.

2122121021039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122121021039 is an equidigital number, since it uses as much as digits as its factorization.

2122121021039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 2122121021039 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, thirty-nine".