2021111211002 has 8 divisors (see below), whose sum is σ = 3264871956276. Its totient is φ = 932820558912.

The previous prime is 2021111211001. The next prime is 2021111211013. The reversal of 2021111211002 is 2001121111202.

It can be written as a sum of positive squares in 2 ways, for example, as 1966700516881 + 54410694121 = 1402391^2 + 233261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2021111211001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38867523263 + ... + 38867523314.

Almost surely, 2^{2021111211002} is an apocalyptic number.

2021111211002 is a deficient number, since it is larger than the sum of its proper divisors (1243760745274).

2021111211002 is a wasteful number, since it uses less digits than its factorization.

2021111211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77735046592.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2021111211002 its reverse (2001121111202), we get a palindrome (4022232322204).

The spelling of 2021111211002 in words is "two trillion, twenty-one billion, one hundred eleven million, two hundred eleven thousand, two".