30211121222113 has 4 divisors (see below), whose sum is σ = 32535053623828. Its totient is φ = 27887188820400.

The previous prime is 30211121222083. The next prime is 30211121222123. The reversal of 30211121222113 is 31122212111203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20443889906064 + 9767231316049 = 4521492^2 + 3125257^2 .

It is not a de Polignac number, because 30211121222113 - 2²¹ = 30211119124961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211121222123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161966200838 + ... + 1161966200863.

It is an arithmetic number, because the mean of its divisors is an integer number (8133763405957).

Almost surely, 2^{30211121222113} is an apocalyptic number.

It is an amenable number.

30211121222113 is a deficient number, since it is larger than the sum of its proper divisors (2323932401715).

30211121222113 is a wasteful number, since it uses less digits than its factorization.

30211121222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323932401714.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 30211121222113 its reverse (31122212111203), we get a palindrome (61333333333316).

The spelling of 30211121222113 in words is "thirty trillion, two hundred eleven billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred thirteen".