1000211121092 has 6 divisors (see below), whose sum is σ = 1750369461918. Its totient is φ = 500105560544.

The previous prime is 1000211121071. The next prime is 1000211121097. The reversal of 1000211121092 is 2901211120001.

It can be written as a sum of positive squares in only one way, i.e., 560437893376 + 439773227716 = 748624^2 + 663154^2 .

It is a super-2 number, since 2×1000211121092² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000211121097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125026390133 + ... + 125026390140.

It is an arithmetic number, because the mean of its divisors is an integer number (291728243653).

Almost surely, 2^{1000211121092} is an apocalyptic number.

It is an amenable number.

1000211121092 is a deficient number, since it is larger than the sum of its proper divisors (750158340826).

1000211121092 is a wasteful number, since it uses less digits than its factorization.

1000211121092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250052780277 (or 250052780275 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1000211121092 its reverse (2901211120001), we get a palindrome (3901422241093).

The spelling of 1000211121092 in words is "one trillion, two hundred eleven million, one hundred twenty-one thousand, ninety-two".