122100020011 has 2 divisors, whose sum is σ = 122100020012. Its totient is φ = 122100020010.

The previous prime is 122100019957. The next prime is 122100020041. The reversal of 122100020011 is 110020001221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122100020011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122100020011.

It is not a weakly prime, because it can be changed into another prime (122100020041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050010005 + 61050010006.

It is an arithmetic number, because the mean of its divisors is an integer number (61050010006).

Almost surely, 2^122100020011 is an apocalyptic number.

122100020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100020011 is an equidigital number, since it uses as much as digits as its factorization.

122100020011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122100020011 its reverse (110020001221), we get a palindrome (232120021232).

The spelling of 122100020011 in words is "one hundred twenty-two billion, one hundred million, twenty thousand, eleven".