1002212211123 has 12 divisors (see below), whose sum is σ = 1447785146080. Its totient is φ = 668074419216.

The previous prime is 1002212211107. The next prime is 1002212211151. The reversal of 1002212211123 is 3211122122001.

1002212211123 is a `hidden beast` number, since 100 + 221 + 221 + 1 + 123 = 666.

It is not a de Polignac number, because 1002212211123 - 2⁴ = 1002212211107 is a prime.

It is a super-2 number, since 2×1002212211123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002212211096 and 1002212211105.

It is not an unprimeable number, because it can be changed into a prime (1002212212123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5493163 + ... + 5672676.

Almost surely, 2^{1002212211123} is an apocalyptic number.

1002212211123 is a deficient number, since it is larger than the sum of its proper divisors (445572934957).

1002212211123 is a wasteful number, since it uses less digits than its factorization.

1002212211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11175818 (or 11175815 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1002212211123 its reverse (3211122122001), we get a palindrome (4213334333124).

The spelling of 1002212211123 in words is "one trillion, two billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-three".