2101321230 has 16 divisors (see below), whose sum is σ = 5043171024. Its totient is φ = 560352320.

The previous prime is 2101321181. The next prime is 2101321247. The reversal of 2101321230 is 321231012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 35021991 + ... + 35022050.

It is an arithmetic number, because the mean of its divisors is an integer number (315198189).

Almost surely, 2^2101321230 is an apocalyptic number.

2101321230 is an abundant number, since it is smaller than the sum of its proper divisors (2941849794).

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

2101321230 is a wasteful number, since it uses less digits than its factorization.

2101321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70044051.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2101321230 is about 45840.1704839762. The cubic root of 2101321230 is about 1280.8476705275.

Adding to 2101321230 its reverse (321231012), we get a palindrome (2422552242).

The spelling of 2101321230 in words is "two billion, one hundred one million, three hundred twenty-one thousand, two hundred thirty".