122011022011 has 4 divisors (see below), whose sum is σ = 122055733800. Its totient is φ = 121966310224.

The previous prime is 122011021969. The next prime is 122011022033. The reversal of 122011022011 is 110220110221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122011022011 - 2⁹ = 122011021499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122011021982 and 122011022000.

It is not an unprimeable number, because it can be changed into a prime (122011022411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22351801 + ... + 22357258.

It is an arithmetic number, because the mean of its divisors is an integer number (30513933450).

Almost surely, 2^122011022011 is an apocalyptic number.

122011022011 is a deficient number, since it is larger than the sum of its proper divisors (44711789).

122011022011 is an equidigital number, since it uses as much as digits as its factorization.

122011022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44711788.

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

Adding to 122011022011 its reverse (110220110221), we get a palindrome (232231132232).

The spelling of 122011022011 in words is "one hundred twenty-two billion, eleven million, twenty-two thousand, eleven".