2121211112039 has 2 divisors, whose sum is σ = 2121211112040. Its totient is φ = 2121211112038.

The previous prime is 2121211111979. The next prime is 2121211112099. The reversal of 2121211112039 is 9302111121212.

It is a balanced prime because it is at equal distance from previous prime (2121211111979) and next prime (2121211112099).

It is a cyclic number.

It is not a de Polignac number, because 2121211112039 - 2²⁸ = 2120942676583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121211111999 and 2121211112017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121211112099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060605556019 + 1060605556020.

It is an arithmetic number, because the mean of its divisors is an integer number (1060605556020).

Almost surely, 2^{2121211112039} is an apocalyptic number.

2121211112039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121211112039 is an equidigital number, since it uses as much as digits as its factorization.

2121211112039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 2121211112039 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twelve thousand, thirty-nine".