101221033011103 has 4 divisors (see below), whose sum is σ = 101624304059208. Its totient is φ = 100817761963000.

The previous prime is 101221033011017. The next prime is 101221033011107. The reversal of 101221033011103 is 301110330122101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101221033011103 - 2²⁵ = 101220999456671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221033011107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201635523676 + ... + 201635524177.

It is an arithmetic number, because the mean of its divisors is an integer number (25406076014802).

Almost surely, 2^{101221033011103} is an apocalyptic number.

101221033011103 is a deficient number, since it is larger than the sum of its proper divisors (403271048105).

101221033011103 is an equidigital number, since it uses as much as digits as its factorization.

101221033011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403271048104.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 101221033011103 its reverse (301110330122101), we get a palindrome (402331363133204).

The spelling of 101221033011103 in words is "one hundred one trillion, two hundred twenty-one billion, thirty-three million, eleven thousand, one hundred three".