220102121101 has 4 divisors (see below), whose sum is σ = 220103185600. Its totient is φ = 220101056604.

The previous prime is 220102121093. The next prime is 220102121117. The reversal of 220102121101 is 101121201022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 220102121101 - 2³ = 220102121093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102121171) 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 3 ways as a sum of consecutive naturals, for example, 110931 + ... + 672688.

It is an arithmetic number, because the mean of its divisors is an integer number (55025796400).

Almost surely, 2^220102121101 is an apocalyptic number.

It is an amenable number.

220102121101 is a deficient number, since it is larger than the sum of its proper divisors (1064499).

220102121101 is an equidigital number, since it uses as much as digits as its factorization.

220102121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064498.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220102121101 its reverse (101121201022), we get a palindrome (321223322123).

The spelling of 220102121101 in words is "two hundred twenty billion, one hundred two million, one hundred twenty-one thousand, one hundred one".