5121969101 has 4 divisors (see below), whose sum is σ = 5133531552. Its totient is φ = 5110406652.

The previous prime is 5121969059. The next prime is 5121969133. The reversal of 5121969101 is 1019691215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5121969101 - 2³⁰ = 4048227277 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 (5121969191) 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, 5780561 + ... + 5781446.

It is an arithmetic number, because the mean of its divisors is an integer number (1283382888).

Almost surely, 2^5121969101 is an apocalyptic number.

It is an amenable number.

5121969101 is a deficient number, since it is larger than the sum of its proper divisors (11562451).

5121969101 is a wasteful number, since it uses less digits than its factorization.

5121969101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11562450.

The product of its (nonzero) digits is 4860, while the sum is 35.

The square root of 5121969101 is about 71567.9334688378. The cubic root of 5121969101 is about 1723.7686768052.

The spelling of 5121969101 in words is "five billion, one hundred twenty-one million, nine hundred sixty-nine thousand, one hundred one".