211321201202320 has 320 divisors, whose sum is σ = 547507533275136. Its totient is φ = 75213787299840.

The previous prime is 211321201202273. The next prime is 211321201202389. The reversal of 211321201202320 is 23202102123112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 211321201202291 and 211321201202300.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3436477494 + ... + 3436538986.

Almost surely, 2^{211321201202320} is an apocalyptic number.

211321201202320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211321201202320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273753766637568).

211321201202320 is an abundant number, since it is smaller than the sum of its proper divisors (336186332072816).

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

211321201202320 is a wasteful number, since it uses less digits than its factorization.

211321201202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62058 (or 62052 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211321201202320 its reverse (23202102123112), we get a palindrome (234523303325432).

The spelling of 211321201202320 in words is "two hundred eleven trillion, three hundred twenty-one billion, two hundred one million, two hundred two thousand, three hundred twenty".