20131101221330 has 32 divisors (see below), whose sum is σ = 39728806473600. Its totient is φ = 7283614504320.

The previous prime is 20131101221327. The next prime is 20131101221359. The reversal of 20131101221330 is 3312210113102.

It is a happy number.

It is a super-2 number, since 2×20131101221330² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459802259 + ... + 459846038.

It is an arithmetic number, because the mean of its divisors is an integer number (1241525202300).

Almost surely, 2^{20131101221330} is an apocalyptic number.

20131101221330 is a deficient number, since it is larger than the sum of its proper divisors (19597705252270).

20131101221330 is a wasteful number, since it uses less digits than its factorization.

20131101221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919648514.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20131101221330 its reverse (3312210113102), we get a palindrome (23443311334432).

The spelling of 20131101221330 in words is "twenty trillion, one hundred thirty-one billion, one hundred one million, two hundred twenty-one thousand, three hundred thirty".