121102030201321 has 16 divisors (see below), whose sum is σ = 136089303364224. Its totient is φ = 106925104750464.

The previous prime is 121102030201319. The next prime is 121102030201381. The reversal of 121102030201321 is 123102030201121.

It is not a de Polignac number, because 121102030201321 - 2¹ = 121102030201319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102030201381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27666325 + ... + 31743181.

It is an arithmetic number, because the mean of its divisors is an integer number (8505581460264).

Almost surely, 2^{121102030201321} is an apocalyptic number.

It is an amenable number.

121102030201321 is a deficient number, since it is larger than the sum of its proper divisors (14987273162903).

121102030201321 is a wasteful number, since it uses less digits than its factorization.

121102030201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176240.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121102030201321 its reverse (123102030201121), we get a palindrome (244204060402442).

The spelling of 121102030201321 in words is "one hundred twenty-one trillion, one hundred two billion, thirty million, two hundred one thousand, three hundred twenty-one".