220022210101 has 4 divisors (see below), whose sum is σ = 221237802604. Its totient is φ = 218806617600.

The previous prime is 220022210087. The next prime is 220022210113. The reversal of 220022210101 is 101012220022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35443710225 + 184578499876 = 188265^2 + 429626^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022210101 - 2¹³ = 220022201909 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 (220022210131) 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, 607795980 + ... + 607796341.

It is an arithmetic number, because the mean of its divisors is an integer number (55309450651).

Almost surely, 2^220022210101 is an apocalyptic number.

It is an amenable number.

220022210101 is a deficient number, since it is larger than the sum of its proper divisors (1215592503).

220022210101 is a wasteful number, since it uses less digits than its factorization.

220022210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215592502.

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

Adding to 220022210101 its reverse (101012220022), we get a palindrome (321034430123).

The spelling of 220022210101 in words is "two hundred twenty billion, twenty-two million, two hundred ten thousand, one hundred one".