121220110112003 has 8 divisors (see below), whose sum is σ = 138537347676672. Its totient is φ = 103902892291656.

The previous prime is 121220110111993. The next prime is 121220110112021. The reversal of 121220110112003 is 300211011022121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121220110112003 is a prime.

It is a super-2 number, since 2×121220110112003² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121220110112053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12173876 + ... + 19764702.

It is an arithmetic number, because the mean of its divisors is an integer number (17317168459584).

Almost surely, 2^{121220110112003} is an apocalyptic number.

121220110112003 is a deficient number, since it is larger than the sum of its proper divisors (17317237564669).

121220110112003 is an equidigital number, since it uses as much as digits as its factorization.

121220110112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872161.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121220110112003 its reverse (300211011022121), we get a palindrome (421431121134124).

The spelling of 121220110112003 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred ten million, one hundred twelve thousand, three".