5221123401 has 16 divisors (see below), whose sum is σ = 7511930496. Its totient is φ = 3206599296.

The previous prime is 5221123387. The next prime is 5221123409. The reversal of 5221123401 is 1043211225.

It is not a de Polignac number, because 5221123401 - 2⁶ = 5221123337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5221123409) 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, 113460 + ... + 152693.

It is an arithmetic number, because the mean of its divisors is an integer number (469495656).

Almost surely, 2^5221123401 is an apocalyptic number.

It is an amenable number.

5221123401 is a deficient number, since it is larger than the sum of its proper divisors (2290807095).

5221123401 is a wasteful number, since it uses less digits than its factorization.

5221123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266672.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5221123401 is about 72257.3415024384. The cubic root of 5221123401 is about 1734.8209280146.

Adding to 5221123401 its reverse (1043211225), we get a palindrome (6264334626).

The spelling of 5221123401 in words is "five billion, two hundred twenty-one million, one hundred twenty-three thousand, four hundred one".