10121015050 has 12 divisors (see below), whose sum is σ = 18825088086. Its totient is φ = 4048406000.

The previous prime is 10121015011. The next prime is 10121015053. The reversal of 10121015050 is 5051012101.

It can be written as a sum of positive squares in 3 ways, for example, as 5378902281 + 4742112769 = 73341^2 + 68863^2 .

It is not an unprimeable number, because it can be changed into a prime (10121015053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101210101 + ... + 101210200.

Almost surely, 2^10121015050 is an apocalyptic number.

10121015050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121015050 is a deficient number, since it is larger than the sum of its proper divisors (8704073036).

10121015050 is a wasteful number, since it uses less digits than its factorization.

10121015050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202420313 (or 202420308 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

Adding to 10121015050 its reverse (5051012101), we get a palindrome (15172027151).

The spelling of 10121015050 in words is "ten billion, one hundred twenty-one million, fifteen thousand, fifty".