222011221331 has 16 divisors (see below), whose sum is σ = 241019977728. Its totient is φ = 203890024800.

The previous prime is 222011221321. The next prime is 222011221351. The reversal of 222011221331 is 133122110222.

It is a cyclic number.

It is not a de Polignac number, because 222011221331 - 2¹⁰ = 222011220307 is a prime.

It is a super-2 number, since 2×222011221331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011221301) 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, 1135340 + ... + 1316441.

It is an arithmetic number, because the mean of its divisors is an integer number (15063748608).

Almost surely, 2^222011221331 is an apocalyptic number.

222011221331 is a deficient number, since it is larger than the sum of its proper divisors (19008756397).

222011221331 is a wasteful number, since it uses less digits than its factorization.

222011221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451962.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222011221331 its reverse (133122110222), we get a palindrome (355133331553).

The spelling of 222011221331 in words is "two hundred twenty-two billion, eleven million, two hundred twenty-one thousand, three hundred thirty-one".