421120010211320 has 96 divisors (see below), whose sum is σ = 1105761277838880. Its totient is φ = 143919746046720.

The previous prime is 421120010211289. The next prime is 421120010211323. The reversal of 421120010211320 is 23112010021124.

It is a super-2 number, since 2×421120010211320² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 421120010211292 and 421120010211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421120010211323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344819939 + ... + 346039058.

It is an arithmetic number, because the mean of its divisors is an integer number (11518346644155).

Almost surely, 2^{421120010211320} is an apocalyptic number.

421120010211320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421120010211320 is an abundant number, since it is smaller than the sum of its proper divisors (684641267627560).

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

421120010211320 is a wasteful number, since it uses less digits than its factorization.

421120010211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690859333 (or 690859322 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 421120010211320 its reverse (23112010021124), we get a palindrome (444232020232444).

The spelling of 421120010211320 in words is "four hundred twenty-one trillion, one hundred twenty billion, ten million, two hundred eleven thousand, three hundred twenty".