121023112210203 has 8 divisors (see below), whose sum is σ = 184416170987008. Its totient is φ = 69156064120104.

The previous prime is 121023112210151. The next prime is 121023112210223. The reversal of 121023112210203 is 302012211320121.

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

It is not a de Polignac number, because 121023112210203 - 2⁴¹ = 118824088954651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5763005343343 = 121023112210203 / (1 + 2 + 1 + 0 + 2 + 3 + 1 + 1 + 2 + 2 + 1 + 0 + 2 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121023112210203.

It is not an unprimeable number, because it can be changed into a prime (121023112210223) 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, 2881502671651 + ... + 2881502671692.

It is an arithmetic number, because the mean of its divisors is an integer number (23052021373376).

Almost surely, 2^{121023112210203} is an apocalyptic number.

121023112210203 is a deficient number, since it is larger than the sum of its proper divisors (63393058776805).

121023112210203 is an equidigital number, since it uses as much as digits as its factorization.

121023112210203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763005343353.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121023112210203 its reverse (302012211320121), we get a palindrome (423035323530324).

The spelling of 121023112210203 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred twelve million, two hundred ten thousand, two hundred three".