21202212130011 has 48 divisors (see below), whose sum is σ = 33633106490880. Its totient is φ = 12763852560000.

The previous prime is 21202212130003. The next prime is 21202212130031. The reversal of 21202212130011 is 11003121220212.

21202212130011 is a `hidden beast` number, since 2 + 120 + 221 + 21 + 300 + 1 + 1 = 666.

It is not a de Polignac number, because 21202212130011 - 2³ = 21202212130003 is a prime.

It is a super-3 number, since 3×21202212130011³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21202212130031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267263410 + ... + 267342728.

It is an arithmetic number, because the mean of its divisors is an integer number (700689718560).

Almost surely, 2^{21202212130011} is an apocalyptic number.

21202212130011 is a deficient number, since it is larger than the sum of its proper divisors (12430894360869).

21202212130011 is a wasteful number, since it uses less digits than its factorization.

21202212130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97368 (or 97365 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21202212130011 its reverse (11003121220212), we get a palindrome (32205333350223).

The spelling of 21202212130011 in words is "twenty-one trillion, two hundred two billion, two hundred twelve million, one hundred thirty thousand, eleven".