211222030139 has 2 divisors, whose sum is σ = 211222030140. Its totient is φ = 211222030138.

The previous prime is 211222030067. The next prime is 211222030147. The reversal of 211222030139 is 931030222112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211222030139 is a prime.

It is a super-2 number, since 2×211222030139² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211222030939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611015069 + 105611015070.

It is an arithmetic number, because the mean of its divisors is an integer number (105611015070).

Almost surely, 2^211222030139 is an apocalyptic number.

211222030139 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222030139 is an equidigital number, since it uses as much as digits as its factorization.

211222030139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 211222030139 in words is "two hundred eleven billion, two hundred twenty-two million, thirty thousand, one hundred thirty-nine".