220021102201 has 4 divisors (see below), whose sum is σ = 220156334992. Its totient is φ = 219885869412.

The previous prime is 220021102193. The next prime is 220021102261. The reversal of 220021102201 is 102201120022.

It is a happy number.

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 220021102201 - 2³ = 220021102193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220021102261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67613955 + ... + 67617208.

It is an arithmetic number, because the mean of its divisors is an integer number (55039083748).

Almost surely, 2^220021102201 is an apocalyptic number.

It is an amenable number.

220021102201 is a deficient number, since it is larger than the sum of its proper divisors (135232791).

220021102201 is a wasteful number, since it uses less digits than its factorization.

220021102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135232790.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220021102201 its reverse (102201120022), we get a palindrome (322222222223).

The spelling of 220021102201 in words is "two hundred twenty billion, twenty-one million, one hundred two thousand, two hundred one".