220202121121101 has 96 divisors (see below), whose sum is σ = 372672278784000. Its totient is φ = 122696251286400.

The previous prime is 220202121121091. The next prime is 220202121121153. The reversal of 220202121121101 is 101121121202022.

220202121121101 is a `hidden beast` number, since 220 + 2 + 0 + 21 + 211 + 211 + 0 + 1 = 666.

It is not a de Polignac number, because 220202121121101 - 2²² = 220202116926797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202121126101) 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 95 ways as a sum of consecutive naturals, for example, 1926487450 + ... + 1926601748.

It is an arithmetic number, because the mean of its divisors is an integer number (3882002904000).

Almost surely, 2^{220202121121101} is an apocalyptic number.

220202121121101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220202121121101 is a deficient number, since it is larger than the sum of its proper divisors (152470157662899).

220202121121101 is a wasteful number, since it uses less digits than its factorization.

220202121121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118999 (or 118996 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220202121121101 its reverse (101121121202022), we get a palindrome (321323242323123).

The spelling of 220202121121101 in words is "two hundred twenty trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred one".