220021130101 has 4 divisors (see below), whose sum is σ = 231601189600. Its totient is φ = 208441070604.

The previous prime is 220021130071. The next prime is 220021130137. The reversal of 220021130101 is 101031120022.

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.

It is a cyclic number.

It is not a de Polignac number, because 220021130101 - 2⁷ = 220021129973 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 (220021130171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5790029721 + ... + 5790029758.

It is an arithmetic number, because the mean of its divisors is an integer number (57900297400).

Almost surely, 2^220021130101 is an apocalyptic number.

It is an amenable number.

220021130101 is a deficient number, since it is larger than the sum of its proper divisors (11580059499).

220021130101 is a wasteful number, since it uses less digits than its factorization.

220021130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580059498.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 220021130101 its reverse (101031120022), we get a palindrome (321052250123).

The spelling of 220021130101 in words is "two hundred twenty billion, twenty-one million, one hundred thirty thousand, one hundred one".