122012110011 has 16 divisors (see below), whose sum is σ = 177510492288. Its totient is φ = 73930761600.

The previous prime is 122012110009. The next prime is 122012110063. The reversal of 122012110011 is 110011210221.

It is not a de Polignac number, because 122012110011 - 2¹ = 122012110009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122012110081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243285 + ... + 550646.

It is an arithmetic number, because the mean of its divisors is an integer number (11094405768).

Almost surely, 2^122012110011 is an apocalyptic number.

122012110011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122012110011 is a deficient number, since it is larger than the sum of its proper divisors (55498382277).

122012110011 is a wasteful number, since it uses less digits than its factorization.

122012110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798602.

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

Adding to 122012110011 its reverse (110011210221), we get a palindrome (232023320232).

It can be divided in two parts, 12201 and 2110011, that added together give a palindrome (2122212).

The spelling of 122012110011 in words is "one hundred twenty-two billion, twelve million, one hundred ten thousand, eleven".