210021131210011 has 8 divisors (see below), whose sum is σ = 237014442745200. Its totient is φ = 184344566579040.

The previous prime is 210021131209997. The next prime is 210021131210041. The reversal of 210021131210011 is 110012131120012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 210021131210011 - 2²³ = 210021122821403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210021131210041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329186725716 + ... + 329186726353.

It is an arithmetic number, because the mean of its divisors is an integer number (29626805343150).

Almost surely, 2^{210021131210011} is an apocalyptic number.

210021131210011 is a deficient number, since it is larger than the sum of its proper divisors (26993311535189).

210021131210011 is a wasteful number, since it uses less digits than its factorization.

210021131210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658373452109.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 210021131210011 its reverse (110012131120012), we get a palindrome (320033262330023).

The spelling of 210021131210011 in words is "two hundred ten trillion, twenty-one billion, one hundred thirty-one million, two hundred ten thousand, eleven".