30211021221311 has 16 divisors (see below), whose sum is σ = 35717738019840. Its totient is φ = 25002032304480.

The previous prime is 30211021221301. The next prime is 30211021221313. The reversal of 30211021221311 is 11312212011203.

It is not a de Polignac number, because 30211021221311 - 2¹⁴ = 30211021204927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211021221313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29894300 + ... + 30888366.

It is an arithmetic number, because the mean of its divisors is an integer number (2232358626240).

Almost surely, 2^{30211021221311} is an apocalyptic number.

30211021221311 is a deficient number, since it is larger than the sum of its proper divisors (5506716798529).

30211021221311 is a wasteful number, since it uses less digits than its factorization.

30211021221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143814.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 30211021221311 its reverse (11312212011203), we get a palindrome (41523233232514).

The spelling of 30211021221311 in words is "thirty trillion, two hundred eleven billion, twenty-one million, two hundred twenty-one thousand, three hundred eleven".