1002211121092 has 6 divisors (see below), whose sum is σ = 1753869461918. Its totient is φ = 501105560544.

The previous prime is 1002211121081. The next prime is 1002211121113. The reversal of 1002211121092 is 2901211122001.

It can be written as a sum of positive squares in only one way, i.e., 999588042436 + 2623078656 = 999794^2 + 51216^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125276390133 + ... + 125276390140.

Almost surely, 2^{1002211121092} is an apocalyptic number.

It is an amenable number.

1002211121092 is a deficient number, since it is larger than the sum of its proper divisors (751658340826).

1002211121092 is a wasteful number, since it uses less digits than its factorization.

1002211121092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250552780277 (or 250552780275 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 1002211121092 its reverse (2901211122001), we get a palindrome (3903422243093).

The spelling of 1002211121092 in words is "one trillion, two billion, two hundred eleven million, one hundred twenty-one thousand, ninety-two".