122021012011 has 2 divisors, whose sum is σ = 122021012012. Its totient is φ = 122021012010.

The previous prime is 122021011991. The next prime is 122021012021. The reversal of 122021012011 is 110210120221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122021012011 - 2⁷ = 122021011883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122021011982 and 122021012000.

It is not a weakly prime, because it can be changed into another prime (122021012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010506005 + 61010506006.

It is an arithmetic number, because the mean of its divisors is an integer number (61010506006).

Almost surely, 2^122021012011 is an apocalyptic number.

122021012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021012011 is an equidigital number, since it uses as much as digits as its factorization.

122021012011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122021012011 its reverse (110210120221), we get a palindrome (232231132232).

The spelling of 122021012011 in words is "one hundred twenty-two billion, twenty-one million, twelve thousand, eleven".