5103151221 has 8 divisors (see below), whose sum is σ = 7776230464. Its totient is φ = 2916086400.

The previous prime is 5103151201. The next prime is 5103151327. The reversal of 5103151221 is 1221513015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5103151221 - 2⁵ = 5103151189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 243007201 = 5103151221 / (5 + 1 + 0 + 3 + 1 + 5 + 1 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5103151201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121503580 + ... + 121503621.

It is an arithmetic number, because the mean of its divisors is an integer number (972028808).

Almost surely, 2^5103151221 is an apocalyptic number.

It is an amenable number.

5103151221 is a deficient number, since it is larger than the sum of its proper divisors (2673079243).

5103151221 is a wasteful number, since it uses less digits than its factorization.

5103151221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243007211.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 5103151221 is about 71436.3438384132. The cubic root of 5103151221 is about 1721.6550705215.

Adding to 5103151221 its reverse (1221513015), we get a palindrome (6324664236).

The spelling of 5103151221 in words is "five billion, one hundred three million, one hundred fifty-one thousand, two hundred twenty-one".