2001101421230 has 16 divisors (see below), whose sum is σ = 3602088314640. Its totient is φ = 800417067072.

The previous prime is 2001101421173. The next prime is 2001101421233. The reversal of 2001101421230 is 321241011002.

It is a junction number, because it is equal to n+sod(n) for n = 2001101421199 and 2001101421208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001101421233) 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, 2577959 + ... + 3263138.

It is an arithmetic number, because the mean of its divisors is an integer number (225130519665).

Almost surely, 2^{2001101421230} is an apocalyptic number.

2001101421230 is a deficient number, since it is larger than the sum of its proper divisors (1600986893410).

2001101421230 is a wasteful number, since it uses less digits than its factorization.

2001101421230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875363.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2001101421230 its reverse (321241011002), we get a palindrome (2322342432232).

The spelling of 2001101421230 in words is "two trillion, one billion, one hundred one million, four hundred twenty-one thousand, two hundred thirty".