122100121022011 has 16 divisors (see below), whose sum is σ = 138784558348800. Its totient is φ = 106401494656800.

The previous prime is 122100121022003. The next prime is 122100121022039. The reversal of 122100121022011 is 110220121001221.

It is a cyclic number.

It is not a de Polignac number, because 122100121022011 - 2³ = 122100121022003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100121022911) 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, 1376786595 + ... + 1376875276.

It is an arithmetic number, because the mean of its divisors is an integer number (8674034896800).

Almost surely, 2^{122100121022011} is an apocalyptic number.

122100121022011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122100121022011 is a deficient number, since it is larger than the sum of its proper divisors (16684437326789).

122100121022011 is a wasteful number, since it uses less digits than its factorization.

122100121022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753662050.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122100121022011 its reverse (110220121001221), we get a palindrome (232320242023232).

The spelling of 122100121022011 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty-one million, twenty-two thousand, eleven".