121201330211201 has 4 divisors (see below), whose sum is σ = 124019965797552. Its totient is φ = 118382694624852.

The previous prime is 121201330211177. The next prime is 121201330211219. The reversal of 121201330211201 is 102112033102121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121201330211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121201330211501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409317793111 + ... + 1409317793196.

It is an arithmetic number, because the mean of its divisors is an integer number (31004991449388).

Almost surely, 2^{121201330211201} is an apocalyptic number.

It is an amenable number.

121201330211201 is a deficient number, since it is larger than the sum of its proper divisors (2818635586351).

121201330211201 is an equidigital number, since it uses as much as digits as its factorization.

121201330211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818635586350.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121201330211201 its reverse (102112033102121), we get a palindrome (223313363313322).

The spelling of 121201330211201 in words is "one hundred twenty-one trillion, two hundred one billion, three hundred thirty million, two hundred eleven thousand, two hundred one".