12022100122021 has 16 divisors (see below), whose sum is σ = 13162858429248. Its totient is φ = 10889318131200.

The previous prime is 12022100122013. The next prime is 12022100122069.

It is a happy number.

12022100122021 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12022100122021 - 2³ = 12022100122013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022100121986 and 12022100122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022100123021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106323406 + ... + 106436416.

It is an arithmetic number, because the mean of its divisors is an integer number (822678651828).

Almost surely, 2^{12022100122021} is an apocalyptic number.

12022100122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12022100122021 is a deficient number, since it is larger than the sum of its proper divisors (1140758307227).

12022100122021 is a wasteful number, since it uses less digits than its factorization.

12022100122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148212.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 12022100 and 122021, that added together give a palindrome (12144121).

The spelling of 12022100122021 in words is "twelve trillion, twenty-two billion, one hundred million, one hundred twenty-two thousand, twenty-one".