10211212221139 has 2 divisors, whose sum is σ = 10211212221140. Its totient is φ = 10211212221138.

The previous prime is 10211212221029. The next prime is 10211212221151. The reversal of 10211212221139 is 93112221211201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10211212221139 - 2²⁷ = 10211078003411 is a prime.

It is not a weakly prime, because it can be changed into another prime (10211212222139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105606110569 + 5105606110570.

It is an arithmetic number, because the mean of its divisors is an integer number (5105606110570).

Almost surely, 2^{10211212221139} is an apocalyptic number.

10211212221139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211212221139 is an equidigital number, since it uses as much as digits as its factorization.

10211212221139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 10211212221139 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-one thousand, one hundred thirty-nine".