2121022002011 has 16 divisors (see below), whose sum is σ = 2388641740800. Its totient is φ = 1865877163200.

The previous prime is 2121022001977. The next prime is 2121022002013. The reversal of 2121022002011 is 1102002201212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121022002011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121022002013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5105735 + ... + 5505503.

It is an arithmetic number, because the mean of its divisors is an integer number (149290108800).

Almost surely, 2^{2121022002011} is an apocalyptic number.

2121022002011 is a deficient number, since it is larger than the sum of its proper divisors (267619738789).

2121022002011 is a wasteful number, since it uses less digits than its factorization.

2121022002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415370.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2121022002011 its reverse (1102002201212), we get a palindrome (3223024203223).

The spelling of 2121022002011 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two thousand, eleven".