220021022101 has 8 divisors (see below), whose sum is σ = 220242252384. Its totient is φ = 219799902960.

The previous prime is 220021022099. The next prime is 220021022119. The reversal of 220021022101 is 101220120022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220021022101 - 2¹ = 220021022099 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 (220021022191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259310 + ... + 4310656.

It is an arithmetic number, because the mean of its divisors is an integer number (27530281548).

Almost surely, 2^220021022101 is an apocalyptic number.

It is an amenable number.

220021022101 is a deficient number, since it is larger than the sum of its proper divisors (221230283).

220021022101 is a wasteful number, since it uses less digits than its factorization.

220021022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55571.

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

Adding to 220021022101 its reverse (101220120022), we get a palindrome (321241142123).

The spelling of 220021022101 in words is "two hundred twenty billion, twenty-one million, twenty-two thousand, one hundred one".