222211002111111 has 48 divisors (see below), whose sum is σ = 357809126088960. Its totient is φ = 131945619617280.

The previous prime is 222211002111107. The next prime is 222211002111113. The reversal of 222211002111111 is 111111200112222.

It is a happy number.

222211002111111 is a `hidden beast` number, since 22 + 221 + 100 + 211 + 1 + 111 = 666.

It is not a de Polignac number, because 222211002111111 - 2² = 222211002111107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211002111113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15580110 + ... + 26213771.

It is an arithmetic number, because the mean of its divisors is an integer number (7454356793520).

Almost surely, 2^{222211002111111} is an apocalyptic number.

222211002111111 is a deficient number, since it is larger than the sum of its proper divisors (135598123977849).

222211002111111 is a wasteful number, since it uses less digits than its factorization.

222211002111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41795496 (or 41795493 counting only the distinct ones).

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

Adding to 222211002111111 its reverse (111111200112222), we get a palindrome (333322202223333).

The spelling of 222211002111111 in words is "two hundred twenty-two trillion, two hundred eleven billion, two million, one hundred eleven thousand, one hundred eleven".