121332022201 has 4 divisors (see below), whose sum is σ = 130665254692. Its totient is φ = 111998789712.

The previous prime is 121332022193. The next prime is 121332022223. The reversal of 121332022201 is 102220233121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102220233121 = 811 ⋅126042211.

It can be written as a sum of positive squares in 2 ways, for example, as 77966042176 + 43365980025 = 279224^2 + 208245^2 .

It is a cyclic number.

It is not a de Polignac number, because 121332022201 - 2³ = 121332022193 is a prime.

It is a super-2 number, since 2×121332022201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121332022241) 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, 4666616226 + ... + 4666616251.

It is an arithmetic number, because the mean of its divisors is an integer number (32666313673).

Almost surely, 2^121332022201 is an apocalyptic number.

It is an amenable number.

121332022201 is a deficient number, since it is larger than the sum of its proper divisors (9333232491).

121332022201 is an equidigital number, since it uses as much as digits as its factorization.

121332022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333232490.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121332022201 its reverse (102220233121), we get a palindrome (223552255322).

The spelling of 121332022201 in words is "one hundred twenty-one billion, three hundred thirty-two million, twenty-two thousand, two hundred one".