30220011032021 has 4 divisors (see below), whose sum is σ = 30220022984844. Its totient is φ = 30219999079200.

The previous prime is 30220011031939. The next prime is 30220011032023. The reversal of 30220011032021 is 12023011002203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1248328005796 + 28971683026225 = 1117286^2 + 5382535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30220011032021 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 (30220011032023) 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, 528800 + ... + 7792281.

It is an arithmetic number, because the mean of its divisors is an integer number (7555005746211).

Almost surely, 2^{30220011032021} is an apocalyptic number.

It is an amenable number.

30220011032021 is a deficient number, since it is larger than the sum of its proper divisors (11952823).

30220011032021 is an equidigital number, since it uses as much as digits as its factorization.

30220011032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952822.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30220011032021 its reverse (12023011002203), we get a palindrome (42243022034224).

The spelling of 30220011032021 in words is "thirty trillion, two hundred twenty billion, eleven million, thirty-two thousand, twenty-one".