201122212139 has 2 divisors, whose sum is σ = 201122212140. Its totient is φ = 201122212138.

The previous prime is 201122212117. The next prime is 201122212163. The reversal of 201122212139 is 931212221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201122212139 - 2³² = 196827244843 is a prime.

It is not a weakly prime, because it can be changed into another prime (201122212339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561106069 + 100561106070.

It is an arithmetic number, because the mean of its divisors is an integer number (100561106070).

Almost surely, 2^201122212139 is an apocalyptic number.

201122212139 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122212139 is an equidigital number, since it uses as much as digits as its factorization.

201122212139 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 26.

The spelling of 201122212139 in words is "two hundred one billion, one hundred twenty-two million, two hundred twelve thousand, one hundred thirty-nine".