921111313103 has 16 divisors (see below), whose sum is σ = 963557544960. Its totient is φ = 878866199904.

The previous prime is 921111313097. The next prime is 921111313127. The reversal of 921111313103 is 301313111129.

It is a cyclic number.

It is not a de Polignac number, because 921111313103 - 2¹⁴ = 921111296719 is a prime.

It is a super-2 number, since 2×921111313103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921111313153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36076700 + ... + 36102222.

It is an arithmetic number, because the mean of its divisors is an integer number (60222346560).

Almost surely, 2^921111313103 is an apocalyptic number.

921111313103 is a deficient number, since it is larger than the sum of its proper divisors (42446231857).

921111313103 is a wasteful number, since it uses less digits than its factorization.

921111313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29398.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 921111313103 in words is "nine hundred twenty-one billion, one hundred eleven million, three hundred thirteen thousand, one hundred three".