122110012011 has 64 divisors (see below), whose sum is σ = 194035709952. Its totient is φ = 67540273152.

The previous prime is 122110012009. The next prime is 122110012019. The reversal of 122110012011 is 110210011221.

It is not a de Polignac number, because 122110012011 - 2¹ = 122110012009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122110012019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9951466 + ... + 9963728.

It is an arithmetic number, because the mean of its divisors is an integer number (3031807968).

Almost surely, 2^122110012011 is an apocalyptic number.

122110012011 is a deficient number, since it is larger than the sum of its proper divisors (71925697941).

122110012011 is a wasteful number, since it uses less digits than its factorization.

122110012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122110012011 its reverse (110210011221), we get a palindrome (232320023232).

The spelling of 122110012011 in words is "one hundred twenty-two billion, one hundred ten million, twelve thousand, eleven".