212111232071 has 2 divisors, whose sum is σ = 212111232072. Its totient is φ = 212111232070.

The previous prime is 212111232059. The next prime is 212111232089. The reversal of 212111232071 is 170232111212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212111232071 - 2²² = 212107037767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212111231071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055616035 + 106055616036.

It is an arithmetic number, because the mean of its divisors is an integer number (106055616036).

Almost surely, 2^212111232071 is an apocalyptic number.

212111232071 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111232071 is an equidigital number, since it uses as much as digits as its factorization.

212111232071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 212111232071 its reverse (170232111212), we get a palindrome (382343343283).

The spelling of 212111232071 in words is "two hundred twelve billion, one hundred eleven million, two hundred thirty-two thousand, seventy-one".