222011100020121 has 16 divisors (see below), whose sum is σ = 302276078233344. Its totient is φ = 144903866011344.

The previous prime is 222011100020027. The next prime is 222011100020137. The reversal of 222011100020121 is 121020001110222.

It is not a de Polignac number, because 222011100020121 - 2⁷ = 222011100019993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222011100020121.

It is not an unprimeable number, because it can be changed into a prime (222011100020621) 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, 3388104771 + ... + 3388170296.

It is an arithmetic number, because the mean of its divisors is an integer number (18892254889584).

Almost surely, 2^{222011100020121} is an apocalyptic number.

It is an amenable number.

222011100020121 is a deficient number, since it is larger than the sum of its proper divisors (80264978213223).

222011100020121 is a wasteful number, since it uses less digits than its factorization.

222011100020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776275300.

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

Adding to 222011100020121 its reverse (121020001110222), we get a palindrome (343031101130343).

The spelling of 222011100020121 in words is "two hundred twenty-two trillion, eleven billion, one hundred million, twenty thousand, one hundred twenty-one".