222011112121101 has 24 divisors (see below), whose sum is σ = 332641386430080. Its totient is φ = 147971122201152.

The previous prime is 222011112121093. The next prime is 222011112121103. The reversal of 222011112121101 is 101121211110222.

It is a happy number.

222011112121101 is a `hidden beast` number, since 2 + 220 + 111 + 121 + 211 + 0 + 1 = 666.

It is not a de Polignac number, because 222011112121101 - 2³ = 222011112121093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011112121103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111000220 + ... + 112982613.

It is an arithmetic number, because the mean of its divisors is an integer number (13860057767920).

Almost surely, 2^{222011112121101} is an apocalyptic number.

It is an amenable number.

222011112121101 is a deficient number, since it is larger than the sum of its proper divisors (110630274308979).

222011112121101 is an equidigital number, since it uses as much as digits as its factorization.

222011112121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223986927 (or 223986915 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 222011112121101 its reverse (101121211110222), we get a palindrome (323132323231323).

The spelling of 222011112121101 in words is "two hundred twenty-two trillion, eleven billion, one hundred twelve million, one hundred twenty-one thousand, one hundred one".