121333022201 has 4 divisors (see below), whose sum is σ = 121334378100. Its totient is φ = 121331666304.

The previous prime is 121333022189. The next prime is 121333022207. The reversal of 121333022201 is 102220333121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102220333121 = 59 ⋅1732548019.

It can be written as a sum of positive squares in 2 ways, for example, as 59560890601 + 61772131600 = 244051^2 + 248540^2 .

It is a cyclic number.

It is not a de Polignac number, because 121333022201 - 2²² = 121328827897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333022207) 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, 533456 + ... + 726113.

It is an arithmetic number, because the mean of its divisors is an integer number (30333594525).

Almost surely, 2^121333022201 is an apocalyptic number.

It is an amenable number.

121333022201 is a deficient number, since it is larger than the sum of its proper divisors (1355899).

121333022201 is an equidigital number, since it uses as much as digits as its factorization.

121333022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355898.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121333022201 its reverse (102220333121), we get a palindrome (223553355322).

The spelling of 121333022201 in words is "one hundred twenty-one billion, three hundred thirty-three million, twenty-two thousand, two hundred one".