202111321320011 has 16 divisors (see below), whose sum is σ = 210160282214400. Its totient is φ = 194162907375360.

The previous prime is 202111321320001. The next prime is 202111321320019. The reversal of 202111321320011 is 110023123111202.

It is a cyclic number.

It is not a de Polignac number, because 202111321320011 - 2¹⁰ = 202111321318987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202111321320019) 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, 38971061 + ... + 43851638.

It is an arithmetic number, because the mean of its divisors is an integer number (13135017638400).

Almost surely, 2^{202111321320011} is an apocalyptic number.

202111321320011 is a deficient number, since it is larger than the sum of its proper divisors (8048960894389).

202111321320011 is a wasteful number, since it uses less digits than its factorization.

202111321320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82823306.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 202111321320011 its reverse (110023123111202), we get a palindrome (312134444431213).

The spelling of 202111321320011 in words is "two hundred two trillion, one hundred eleven billion, three hundred twenty-one million, three hundred twenty thousand, eleven".