211001022131320 has 32 divisors (see below), whose sum is σ = 499739262944400. Its totient is φ = 79958282070528.

The previous prime is 211001022131297. The next prime is 211001022131321. The reversal of 211001022131320 is 23131220100112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001022131321) 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, 138816461169 + ... + 138816462688.

Almost surely, 2^{211001022131320} is an apocalyptic number.

211001022131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211001022131320 is an abundant number, since it is smaller than the sum of its proper divisors (288738240813080).

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

211001022131320 is a wasteful number, since it uses less digits than its factorization.

211001022131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277632923887 (or 277632923883 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211001022131320 its reverse (23131220100112), we get a palindrome (234132242231432).

The spelling of 211001022131320 in words is "two hundred eleven trillion, one billion, twenty-two million, one hundred thirty-one thousand, three hundred twenty".