202130121210011 has 16 divisors (see below), whose sum is σ = 206785286484480. Its totient is φ = 197506695241440.

The previous prime is 202130121209941. The next prime is 202130121210029. The reversal of 202130121210011 is 110012121031202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202130121210011 - 2³⁸ = 201855243303067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202130121200011) 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, 33696296 + ... + 39239018.

It is an arithmetic number, because the mean of its divisors is an integer number (12924080405280).

Almost surely, 2^{202130121210011} is an apocalyptic number.

202130121210011 is a deficient number, since it is larger than the sum of its proper divisors (4655165274469).

202130121210011 is a wasteful number, since it uses less digits than its factorization.

202130121210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545586.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 202130121210011 its reverse (110012121031202), we get a palindrome (312142242241213).

The spelling of 202130121210011 in words is "two hundred two trillion, one hundred thirty billion, one hundred twenty-one million, two hundred ten thousand, eleven".