10403121211 has 16 divisors (see below), whose sum is σ = 12005326080. Its totient is φ = 8830023840.

The previous prime is 10403121161. The next prime is 10403121221. The reversal of 10403121211 is 11212130401.

It is a cyclic number.

It is not a de Polignac number, because 10403121211 - 2¹⁷ = 10402990139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10403121221) 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, 1928460 + ... + 1933846.

It is an arithmetic number, because the mean of its divisors is an integer number (750332880).

Almost surely, 2^10403121211 is an apocalyptic number.

10403121211 is a deficient number, since it is larger than the sum of its proper divisors (1602204869).

10403121211 is a wasteful number, since it uses less digits than its factorization.

10403121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034.

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

Adding to 10403121211 its reverse (11212130401), we get a palindrome (21615251612).

The spelling of 10403121211 in words is "ten billion, four hundred three million, one hundred twenty-one thousand, two hundred eleven".