222222211002111 has 16 divisors (see below), whose sum is σ = 299531526483968. Its totient is φ = 146537566560000.

The previous prime is 222222211002101. The next prime is 222222211002139. The reversal of 222222211002111 is 111200112222222.

It is not a de Polignac number, because 222222211002111 - 2⁷ = 222222211001983 is a prime.

It is a super-2 number, since 2×222222211002111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222211002101) 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, 880931890 + ... + 881184111.

It is an arithmetic number, because the mean of its divisors is an integer number (18720720405248).

Almost surely, 2^{222222211002111} is an apocalyptic number.

222222211002111 is a deficient number, since it is larger than the sum of its proper divisors (77309315481857).

222222211002111 is a wasteful number, since it uses less digits than its factorization.

222222211002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762116462.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222222211002111 its reverse (111200112222222), we get a palindrome (333422323224333).

The spelling of 222222211002111 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, two thousand, one hundred eleven".