2211202021011 has 16 divisors (see below), whose sum is σ = 2951515708416. Its totient is φ = 1472512387136.

The previous prime is 2211202020983. The next prime is 2211202021087. The reversal of 2211202021011 is 1101202021122.

It is a cyclic number.

It is not a de Polignac number, because 2211202021011 - 2¹⁰ = 2211202019987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211202031011) 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, 10116466 + ... + 10332728.

It is an arithmetic number, because the mean of its divisors is an integer number (184469731776).

Almost surely, 2^{2211202021011} is an apocalyptic number.

2211202021011 is a deficient number, since it is larger than the sum of its proper divisors (740313687405).

2211202021011 is a wasteful number, since it uses less digits than its factorization.

2211202021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220002.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211202021011 its reverse (1101202021122), we get a palindrome (3312404042133).

The spelling of 2211202021011 in words is "two trillion, two hundred eleven billion, two hundred two million, twenty-one thousand, eleven".