10121377994 has 32 divisors (see below), whose sum is σ = 18711154560. Its totient is φ = 3998590272.

The previous prime is 10121377933. The next prime is 10121378017. The reversal of 10121377994 is 49977312101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96872 + ... + 172124.

It is an arithmetic number, because the mean of its divisors is an integer number (584723580).

Almost surely, 2^10121377994 is an apocalyptic number.

10121377994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10121377994 is a deficient number, since it is larger than the sum of its proper divisors (8589776566).

10121377994 is a wasteful number, since it uses less digits than its factorization.

10121377994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76014.

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 10121377994 in words is "ten billion, one hundred twenty-one million, three hundred seventy-seven thousand, nine hundred ninety-four".