103212011109 has 16 divisors (see below), whose sum is σ = 144869460480. Its totient is φ = 65181809520.

The previous prime is 103212011083. The next prime is 103212011129. The reversal of 103212011109 is 901110212301.

It is a happy number.

It is not a de Polignac number, because 103212011109 - 2¹² = 103212007013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212011129) 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, 835474 + ... + 951020.

It is an arithmetic number, because the mean of its divisors is an integer number (9054341280).

Almost surely, 2^103212011109 is an apocalyptic number.

103212011109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

103212011109 is a deficient number, since it is larger than the sum of its proper divisors (41657449371).

103212011109 is a wasteful number, since it uses less digits than its factorization.

103212011109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131240.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 103212011109 in words is "one hundred three billion, two hundred twelve million, eleven thousand, one hundred nine".