211330021221132 has 24 divisors (see below), whose sum is σ = 537930963108672. Its totient is φ = 64039400370000.

The previous prime is 211330021221127. The next prime is 211330021221191. The reversal of 211330021221132 is 231122120033112.

It is a super-2 number, since 2×211330021221132² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800492504494 + ... + 800492504757.

It is an arithmetic number, because the mean of its divisors is an integer number (22413790129528).

Almost surely, 2^{211330021221132} is an apocalyptic number.

211330021221132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211330021221132 is an abundant number, since it is smaller than the sum of its proper divisors (326600941887540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211330021221132 is a wasteful number, since it uses less digits than its factorization.

211330021221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600985009269 (or 1600985009267 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 211330021221132 its reverse (231122120033112), we get a palindrome (442452141254244).

The spelling of 211330021221132 in words is "two hundred eleven trillion, three hundred thirty billion, twenty-one million, two hundred twenty-one thousand, one hundred thirty-two".