10103021121 has 16 divisors (see below), whose sum is σ = 13569611328. Its totient is φ = 6685972800.

The previous prime is 10103021113. The next prime is 10103021141. The reversal of 10103021121 is 12112030101.

It is not a de Polignac number, because 10103021121 - 2³ = 10103021113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10103021097 and 10103021106.

It is not an unprimeable number, because it can be changed into a prime (10103021141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504031 + ... + 523691.

It is an arithmetic number, because the mean of its divisors is an integer number (848100708).

Almost surely, 2^10103021121 is an apocalyptic number.

It is an amenable number.

10103021121 is a deficient number, since it is larger than the sum of its proper divisors (3466590207).

10103021121 is a wasteful number, since it uses less digits than its factorization.

10103021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20912.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10103021121 its reverse (12112030101), we get a palindrome (22215051222).

The spelling of 10103021121 in words is "ten billion, one hundred three million, twenty-one thousand, one hundred twenty-one".