110021213321103 has 128 divisors (see below), whose sum is σ = 183815198392320. Its totient is φ = 57151628835840.

The previous prime is 110021213320979. The next prime is 110021213321113. The reversal of 110021213321103 is 301123312120011.

It is not a de Polignac number, because 110021213321103 - 2²² = 110021209126799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 110021213321103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021213321113) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1239673176 + ... + 1239761922.

It is an arithmetic number, because the mean of its divisors is an integer number (1436056237440).

Almost surely, 2^{110021213321103} is an apocalyptic number.

110021213321103 is a deficient number, since it is larger than the sum of its proper divisors (73793985071217).

110021213321103 is a wasteful number, since it uses less digits than its factorization.

110021213321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90197.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 110021213321103 its reverse (301123312120011), we get a palindrome (411144525441114).

The spelling of 110021213321103 in words is "one hundred ten trillion, twenty-one billion, two hundred thirteen million, three hundred twenty-one thousand, one hundred three".