103012120200121 has 8 divisors (see below), whose sum is σ = 112482774396288. Its totient is φ = 93559118670000.

The previous prime is 103012120200097. The next prime is 103012120200139. The reversal of 103012120200121 is 121002021210301.

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

It is a cyclic number.

It is not a de Polignac number, because 103012120200121 - 2⁵ = 103012120200089 is a prime.

It is a super-2 number, since 2×103012120200121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103012120200095 and 103012120200104.

It is not an unprimeable number, because it can be changed into a prime (103012120200151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4413154305 + ... + 4413177646.

It is an arithmetic number, because the mean of its divisors is an integer number (14060346799536).

Almost surely, 2^{103012120200121} is an apocalyptic number.

103012120200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103012120200121 is a deficient number, since it is larger than the sum of its proper divisors (9470654196167).

103012120200121 is a wasteful number, since it uses less digits than its factorization.

103012120200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8826333023.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 103012120200121 its reverse (121002021210301), we get a palindrome (224014141410422).

The spelling of 103012120200121 in words is "one hundred three trillion, twelve billion, one hundred twenty million, two hundred thousand, one hundred twenty-one".