220101222101 has 4 divisors (see below), whose sum is σ = 222887313600. Its totient is φ = 217315130604.

The previous prime is 220101222097. The next prime is 220101222127. The reversal of 220101222101 is 101222101022.

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 220101222101 - 2² = 220101222097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101222181) 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, 1393045631 + ... + 1393045788.

It is an arithmetic number, because the mean of its divisors is an integer number (55721828400).

Almost surely, 2^220101222101 is an apocalyptic number.

It is an amenable number.

220101222101 is a deficient number, since it is larger than the sum of its proper divisors (2786091499).

220101222101 is an equidigital number, since it uses as much as digits as its factorization.

220101222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786091498.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220101222101 its reverse (101222101022), we get a palindrome (321323323123).

The spelling of 220101222101 in words is "two hundred twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred one".