222021102101 has 4 divisors (see below), whose sum is σ = 222126178092. Its totient is φ = 221916026112.

The previous prime is 222021102089. The next prime is 222021102119. The reversal of 222021102101 is 101201120222.

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 65984251876 + 156036850225 = 256874^2 + 395015^2 .

It is a cyclic number.

It is not a de Polignac number, because 222021102101 - 2¹⁰ = 222021101077 is a prime.

It is a super-2 number, since 2×222021102101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021102181) 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, 52534826 + ... + 52539051.

It is an arithmetic number, because the mean of its divisors is an integer number (55531544523).

Almost surely, 2^222021102101 is an apocalyptic number.

It is an amenable number.

222021102101 is a deficient number, since it is larger than the sum of its proper divisors (105075991).

222021102101 is a wasteful number, since it uses less digits than its factorization.

222021102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105075990.

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

Adding to 222021102101 its reverse (101201120222), we get a palindrome (323222222323).

The spelling of 222021102101 in words is "two hundred twenty-two billion, twenty-one million, one hundred two thousand, one hundred one".