211122112111002 has 48 divisors (see below), whose sum is σ = 459794481981120. Its totient is φ = 70011386087616.

The previous prime is 211122112110991. The next prime is 211122112111037. The reversal of 211122112111002 is 200111211221112.

It is a happy number.

211122112111002 is a `hidden beast` number, since 211 + 1 + 221 + 121 + 110 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35755923 + ... + 41239910.

It is an arithmetic number, because the mean of its divisors is an integer number (9579051707940).

Almost surely, 2^{211122112111002} is an apocalyptic number.

211122112111002 is an abundant number, since it is smaller than the sum of its proper divisors (248672369870118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211122112111002 is a wasteful number, since it uses less digits than its factorization.

211122112111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76996627 (or 76996624 counting only the distinct ones).

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

Adding to 211122112111002 its reverse (200111211221112), we get a palindrome (411233323332114).

The spelling of 211122112111002 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, one hundred eleven thousand, two".