5421120202 has 4 divisors (see below), whose sum is σ = 8131680306. Its totient is φ = 2710560100.

The previous prime is 5421120181. The next prime is 5421120301. The reversal of 5421120202 is 2020211245.

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

It can be written as a sum of positive squares in only one way, i.e., 3102601401 + 2318518801 = 55701^2 + 48151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5421120202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1355280049 + ... + 1355280052.

Almost surely, 2^5421120202 is an apocalyptic number.

5421120202 is a deficient number, since it is larger than the sum of its proper divisors (2710560104).

5421120202 is a wasteful number, since it uses less digits than its factorization.

5421120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710560103.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 5421120202 is about 73628.2568176105. The cubic root of 5421120202 is about 1756.6949209898.

Adding to 5421120202 its reverse (2020211245), we get a palindrome (7441331447).

The spelling of 5421120202 in words is "five billion, four hundred twenty-one million, one hundred twenty thousand, two hundred two".