121120012121201 has 8 divisors (see below), whose sum is σ = 121486337247264. Its totient is φ = 120753689427360.

The previous prime is 121120012121113. The next prime is 121120012121203. The reversal of 121120012121201 is 102121210021121.

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 121120012121201 - 2¹⁸ = 121120011859057 is a prime.

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 121120012121201.

It is not an unprimeable number, because it can be changed into a prime (121120012121203) 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, 180993446 + ... + 181661408.

It is an arithmetic number, because the mean of its divisors is an integer number (15185792155908).

Almost surely, 2^{121120012121201} is an apocalyptic number.

It is an amenable number.

121120012121201 is a deficient number, since it is larger than the sum of its proper divisors (366325126063).

121120012121201 is an equidigital number, since it uses as much as digits as its factorization.

121120012121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216111.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121120012121201 its reverse (102121210021121), we get a palindrome (223241222142322).

The spelling of 121120012121201 in words is "one hundred twenty-one trillion, one hundred twenty billion, twelve million, one hundred twenty-one thousand, two hundred one".