30202121401 has 4 divisors (see below), whose sum is σ = 30268209652. Its totient is φ = 30136033152.

The previous prime is 30202121393. The next prime is 30202121413. The reversal of 30202121401 is 10412120203.

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 28925845776 + 1276275625 = 170076^2 + 35725^2 .

It is a cyclic number.

It is not a de Polignac number, because 30202121401 - 2³ = 30202121393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30202121471) 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, 33043440 + ... + 33044353.

It is an arithmetic number, because the mean of its divisors is an integer number (7567052413).

Almost surely, 2^30202121401 is an apocalyptic number.

It is an amenable number.

30202121401 is a deficient number, since it is larger than the sum of its proper divisors (66088251).

30202121401 is an equidigital number, since it uses as much as digits as its factorization.

30202121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66088250.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30202121401 its reverse (10412120203), we get a palindrome (40614241604).

The spelling of 30202121401 in words is "thirty billion, two hundred two million, one hundred twenty-one thousand, four hundred one".