222022201101121 has 4 divisors (see below), whose sum is σ = 222516682618500. Its totient is φ = 221527719583744.

The previous prime is 222022201101079. The next prime is 222022201101161. The reversal of 222022201101121 is 121101102220222.

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 118990768907521 + 103031432193600 = 10908289^2 + 10150440^2 .

It is a cyclic number.

It is not a de Polignac number, because 222022201101121 - 2⁴³ = 213226108078913 is a prime.

It is a super-2 number, since 2×222022201101121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222022201101161) 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, 247240758016 + ... + 247240758913.

It is an arithmetic number, because the mean of its divisors is an integer number (55629170654625).

Almost surely, 2^{222022201101121} is an apocalyptic number.

It is an amenable number.

222022201101121 is a deficient number, since it is larger than the sum of its proper divisors (494481517379).

222022201101121 is an equidigital number, since it uses as much as digits as its factorization.

222022201101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494481517378.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222022201101121 its reverse (121101102220222), we get a palindrome (343123303321343).

The spelling of 222022201101121 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred one million, one hundred one thousand, one hundred twenty-one".