10203621242115 has 32 divisors (see below), whose sum is σ = 18661646960640. Its totient is φ = 4663613395584.

The previous prime is 10203621242099. The next prime is 10203621242141. The reversal of 10203621242115 is 51124212630201.

It is not a de Polignac number, because 10203621242115 - 2⁴ = 10203621242099 is a prime.

It is a super-2 number, since 2×10203621242115² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8818939 + ... + 9908628.

It is an arithmetic number, because the mean of its divisors is an integer number (583176467520).

Almost surely, 2^{10203621242115} is an apocalyptic number.

10203621242115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10203621242115 is a deficient number, since it is larger than the sum of its proper divisors (8458025718525).

10203621242115 is a wasteful number, since it uses less digits than its factorization.

10203621242115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18732771.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 10203621242115 its reverse (51124212630201), we get a palindrome (61327833872316).

The spelling of 10203621242115 in words is "ten trillion, two hundred three billion, six hundred twenty-one million, two hundred forty-two thousand, one hundred fifteen".