202222101121 has 16 divisors (see below), whose sum is σ = 216365454288. Its totient is φ = 188330752000.

The previous prime is 202222101119. The next prime is 202222101161. The reversal of 202222101121 is 121101222202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 90441540225 + 111780560896 = 300735^2 + 334336^2 .

It is a cyclic number.

It is not a de Polignac number, because 202222101121 - 2¹ = 202222101119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202222101095 and 202222101104.

It is not an unprimeable number, because it can be changed into a prime (202222101161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2941581 + ... + 3009541.

It is an arithmetic number, because the mean of its divisors is an integer number (13522840893).

Almost surely, 2^202222101121 is an apocalyptic number.

It is an amenable number.

202222101121 is a deficient number, since it is larger than the sum of its proper divisors (14143353167).

202222101121 is a wasteful number, since it uses less digits than its factorization.

202222101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69812.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202222101121 its reverse (121101222202), we get a palindrome (323323323323).

The spelling of 202222101121 in words is "two hundred two billion, two hundred twenty-two million, one hundred one thousand, one hundred twenty-one".