10121564242 has 8 divisors (see below), whose sum is σ = 15329748096. Its totient is φ = 5011648212.

The previous prime is 10121564239. The next prime is 10121564273. The reversal of 10121564242 is 24246512101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10121564242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24566698 + ... + 24567109.

It is an arithmetic number, because the mean of its divisors is an integer number (1916218512).

Almost surely, 2^10121564242 is an apocalyptic number.

10121564242 is a deficient number, since it is larger than the sum of its proper divisors (5208183854).

10121564242 is a wasteful number, since it uses less digits than its factorization.

10121564242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49133912.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 10121564242 in words is "ten billion, one hundred twenty-one million, five hundred sixty-four thousand, two hundred forty-two".