122011001011 has 2 divisors, whose sum is σ = 122011001012. Its totient is φ = 122011001010.

The previous prime is 122011001009. The next prime is 122011001023. The reversal of 122011001011 is 110100110221.

It is a weak prime.

It is an emirp because it is prime and its reverse (110100110221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122011001011 - 2¹ = 122011001009 is a prime.

Together with 122011001009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122011001041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005500505 + 61005500506.

It is an arithmetic number, because the mean of its divisors is an integer number (61005500506).

Almost surely, 2^122011001011 is an apocalyptic number.

122011001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011001011 is an equidigital number, since it uses as much as digits as its factorization.

122011001011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 122011001011 its reverse (110100110221), we get a palindrome (232111111232).

The spelling of 122011001011 in words is "one hundred twenty-two billion, eleven million, one thousand, eleven".