222120232011 has 12 divisors (see below), whose sum is σ = 320855955888. Its totient is φ = 148072945104.

The previous prime is 222120231973. The next prime is 222120232027. The reversal of 222120232011 is 110232021222.

222120232011 is a `hidden beast` number, since 222 + 120 + 2 + 320 + 1 + 1 = 666.

It is not a de Polignac number, because 222120232011 - 2¹¹ = 222120229963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222120232091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402220 + ... + 778473.

It is an arithmetic number, because the mean of its divisors is an integer number (26737996324).

Almost surely, 2^222120232011 is an apocalyptic number.

222120232011 is a deficient number, since it is larger than the sum of its proper divisors (98735723877).

222120232011 is a wasteful number, since it uses less digits than its factorization.

222120232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201602 (or 1201599 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222120232011 its reverse (110232021222), we get a palindrome (332352253233).

The spelling of 222120232011 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred thirty-two thousand, eleven".