32121111112103 has 32 divisors (see below), whose sum is σ = 35993639485440. Its totient is φ = 28461237114240.

The previous prime is 32121111112099. The next prime is 32121111112147. The reversal of 32121111112103 is 30121111112123.

It is a cyclic number.

It is not a de Polignac number, because 32121111112103 - 2² = 32121111112099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121111112003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44547950 + ... + 45263252.

It is an arithmetic number, because the mean of its divisors is an integer number (1124801233920).

Almost surely, 2^{32121111112103} is an apocalyptic number.

32121111112103 is a deficient number, since it is larger than the sum of its proper divisors (3872528373337).

32121111112103 is a wasteful number, since it uses less digits than its factorization.

32121111112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716039.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 32121111112103 its sum of digits (20), we get a palindrome (32121111112123).

Adding to 32121111112103 its reverse (30121111112123), we get a palindrome (62242222224226).

The spelling of 32121111112103 in words is "thirty-two trillion, one hundred twenty-one billion, one hundred eleven million, one hundred twelve thousand, one hundred three".