222011201121 has 32 divisors (see below), whose sum is σ = 320474793600. Its totient is φ = 136232409600.

The previous prime is 222011201117. The next prime is 222011201129. The reversal of 222011201121 is 121102110222.

It is not a de Polignac number, because 222011201121 - 2² = 222011201117 is a prime.

It is a super-2 number, since 2×222011201121² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222011201121.

It is not an unprimeable number, because it can be changed into a prime (222011201129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1403325 + ... + 1553493.

It is an arithmetic number, because the mean of its divisors is an integer number (10014837300).

Almost surely, 2^222011201121 is an apocalyptic number.

It is an amenable number.

222011201121 is a deficient number, since it is larger than the sum of its proper divisors (98463592479).

222011201121 is a wasteful number, since it uses less digits than its factorization.

222011201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150929.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222011201121 its reverse (121102110222), we get a palindrome (343113311343).

The spelling of 222011201121 in words is "two hundred twenty-two billion, eleven million, two hundred one thousand, one hundred twenty-one".