122000020011 has 12 divisors (see below), whose sum is σ = 178704255600. Its totient is φ = 80187806160.

The previous prime is 122000019983. The next prime is 122000020013. The reversal of 122000020011 is 110020000221.

It is not a de Polignac number, because 122000020011 - 2³³ = 113410085419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 122000019975 and 122000020002.

It is not an unprimeable number, because it can be changed into a prime (122000020013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95461036 + ... + 95462313.

It is an arithmetic number, because the mean of its divisors is an integer number (14892021300).

Almost surely, 2^122000020011 is an apocalyptic number.

122000020011 is a deficient number, since it is larger than the sum of its proper divisors (56704235589).

122000020011 is a wasteful number, since it uses less digits than its factorization.

122000020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190923426 (or 190923423 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 122000020011 its reverse (110020000221), we get a palindrome (232020020232).

The spelling of 122000020011 in words is "one hundred twenty-two billion, twenty thousand, eleven".