122000002011 has 8 divisors (see below), whose sum is σ = 180740743760. Its totient is φ = 81333334656.

The previous prime is 122000001989. The next prime is 122000002037. The reversal of 122000002011 is 110200000221.

It is not a de Polignac number, because 122000002011 - 2⁶ = 122000001947 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000001984 and 122000002002.

It is not an unprimeable number, because it can be changed into a prime (122000002081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259259270 + ... + 2259259323.

It is an arithmetic number, because the mean of its divisors is an integer number (22592592970).

Almost surely, 2^122000002011 is an apocalyptic number.

122000002011 is a deficient number, since it is larger than the sum of its proper divisors (58740741749).

122000002011 is an equidigital number, since it uses as much as digits as its factorization.

122000002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518518602 (or 4518518596 counting only the distinct ones).

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

Adding to 122000002011 its reverse (110200000221), we get a palindrome (232200002232).

The spelling of 122000002011 in words is "one hundred twenty-two billion, two thousand, eleven".