110203021132121 has 4 divisors (see below), whose sum is σ = 110780000300544. Its totient is φ = 109626041963700.

The previous prime is 110203021132117. The next prime is 110203021132147. The reversal of 110203021132121 is 121231120302011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110203021132121 - 2² = 110203021132117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110203021132093 and 110203021132102.

It is not an unprimeable number, because it can be changed into a prime (110203021132181) 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 3 ways as a sum of consecutive naturals, for example, 288489583925 + ... + 288489584306.

It is an arithmetic number, because the mean of its divisors is an integer number (27695000075136).

Almost surely, 2^{110203021132121} is an apocalyptic number.

It is an amenable number.

110203021132121 is a deficient number, since it is larger than the sum of its proper divisors (576979168423).

110203021132121 is an equidigital number, since it uses as much as digits as its factorization.

110203021132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576979168422.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 110203021132121 its reverse (121231120302011), we get a palindrome (231434141434132).

The spelling of 110203021132121 in words is "one hundred ten trillion, two hundred three billion, twenty-one million, one hundred thirty-two thousand, one hundred twenty-one".