111002212201211 has 16 divisors (see below), whose sum is σ = 117121045257216. Its totient is φ = 105093462810336.

The previous prime is 111002212201187. The next prime is 111002212201229. The reversal of 111002212201211 is 112102212200111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111002212201211 is a prime.

It is a super-2 number, since 2×111002212201211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111002212201211.

It is not an unprimeable number, because it can be changed into a prime (111002212201241) 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, 293223755 + ... + 293602068.

It is an arithmetic number, because the mean of its divisors is an integer number (7320065328576).

Almost surely, 2^{111002212201211} is an apocalyptic number.

111002212201211 is a deficient number, since it is larger than the sum of its proper divisors (6118833056005).

111002212201211 is an equidigital number, since it uses as much as digits as its factorization.

111002212201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586826002.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111002212201211 its reverse (112102212200111), we get a palindrome (223104424401322).

The spelling of 111002212201211 in words is "one hundred eleven trillion, two billion, two hundred twelve million, two hundred one thousand, two hundred eleven".