121011132321201 has 4 divisors (see below), whose sum is σ = 161348176428272. Its totient is φ = 80674088214132.

The previous prime is 121011132321161. The next prime is 121011132321203. The reversal of 121011132321201 is 102123231110121.

121011132321201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 121011132321201 - 2¹¹ = 121011132319153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011132321203) 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, 20168522053531 + ... + 20168522053536.

It is an arithmetic number, because the mean of its divisors is an integer number (40337044107068).

Almost surely, 2^{121011132321201} is an apocalyptic number.

It is an amenable number.

121011132321201 is a deficient number, since it is larger than the sum of its proper divisors (40337044107071).

121011132321201 is an equidigital number, since it uses as much as digits as its factorization.

121011132321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40337044107070.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121011132321201 its reverse (102123231110121), we get a palindrome (223134363431322).

The spelling of 121011132321201 in words is "one hundred twenty-one trillion, eleven billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred one".