213144111420 has 48 divisors (see below), whose sum is σ = 612933343008. Its totient is φ = 55302255360.

The previous prime is 213144111403. The next prime is 213144111449. The reversal of 213144111420 is 24111441312.

It is a happy number.

213144111420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48003211 + ... + 48007650.

It is an arithmetic number, because the mean of its divisors is an integer number (12769444646).

Almost surely, 2^213144111420 is an apocalyptic number.

213144111420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213144111420 is an abundant number, since it is smaller than the sum of its proper divisors (399789231588).

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

213144111420 is a wasteful number, since it uses less digits than its factorization.

213144111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96010910 (or 96010908 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 213144111420 its reverse (24111441312), we get a palindrome (237255552732).

The spelling of 213144111420 in words is "two hundred thirteen billion, one hundred forty-four million, one hundred eleven thousand, four hundred twenty".