121220122003 has 8 divisors (see below), whose sum is σ = 125408509200. Its totient is φ = 117032293728.

The previous prime is 121220121983. The next prime is 121220122043. The reversal of 121220122003 is 300221022121.

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 not a de Polignac number, because 121220122003 - 2¹³ = 121220113811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121220122043) 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, 328125 + ... + 591697.

It is an arithmetic number, because the mean of its divisors is an integer number (15676063650).

Almost surely, 2^121220122003 is an apocalyptic number.

121220122003 is a deficient number, since it is larger than the sum of its proper divisors (4188387197).

121220122003 is a wasteful number, since it uses less digits than its factorization.

121220122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279461.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121220122003 its reverse (300221022121), we get a palindrome (421441144124).

The spelling of 121220122003 in words is "one hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, three".