222222120100011 has 64 divisors (see below), whose sum is σ = 336688458675840. Its totient is φ = 144825691668480.

The previous prime is 222222120100009. The next prime is 222222120100061. The reversal of 222222120100011 is 110001021222222.

It is a happy number.

222222120100011 is a `hidden beast` number, since 222 + 222 + 120 + 100 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 222222120100011 - 2¹ = 222222120100009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222222120100061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172445371 + ... + 173729243.

It is an arithmetic number, because the mean of its divisors is an integer number (5260757166810).

Almost surely, 2^{222222120100011} is an apocalyptic number.

222222120100011 is a deficient number, since it is larger than the sum of its proper divisors (114466338575829).

222222120100011 is a wasteful number, since it uses less digits than its factorization.

222222120100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284733 (or 1284727 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222222120100011 its reverse (110001021222222), we get a palindrome (332223141322233).

The spelling of 222222120100011 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred thousand, eleven".