64121101 has 4 divisors (see below), whose sum is σ = 69950304. Its totient is φ = 58291900.

The previous prime is 64121087. The next prime is 64121119. The reversal of 64121101 is 10112146.

64121101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-64121101 is a prime.

It is a super-2 number, since 2×64121101² = 8223031186904402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64121801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2914585 + ... + 2914606.

It is an arithmetic number, because the mean of its divisors is an integer number (17487576).

Almost surely, 2^64121101 is an apocalyptic number.

It is an amenable number.

64121101 is a deficient number, since it is larger than the sum of its proper divisors (5829203).

64121101 is a wasteful number, since it uses less digits than its factorization.

64121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829202.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 64121101 is about 8007.5652354508. The cubic root of 64121101 is about 400.2521347867.

Adding to 64121101 its reverse (10112146), we get a palindrome (74233247).

The spelling of 64121101 in words is "sixty-four million, one hundred twenty-one thousand, one hundred one".