10121031442 has 8 divisors (see below), whose sum is σ = 15297437232. Its totient is φ = 5021885700.

The previous prime is 10121031439. The next prime is 10121031443. The reversal of 10121031442 is 24413012101.

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

It is not an unprimeable number, because it can be changed into a prime (10121031443) 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, 19314684 + ... + 19315207.

It is an arithmetic number, because the mean of its divisors is an integer number (1912179654).

Almost surely, 2^10121031442 is an apocalyptic number.

10121031442 is a deficient number, since it is larger than the sum of its proper divisors (5176405790).

10121031442 is a wasteful number, since it uses less digits than its factorization.

10121031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38630024.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10121031442 its reverse (24413012101), we get a palindrome (34534043543).

The spelling of 10121031442 in words is "ten billion, one hundred twenty-one million, thirty-one thousand, four hundred forty-two".