201121012223301 has 4 divisors (see below), whose sum is σ = 268161349631072. Its totient is φ = 134080674815532.

The previous prime is 201121012223233. The next prime is 201121012223303. The reversal of 201121012223301 is 103322210121102.

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 201121012223301 - 2¹¹ = 201121012221253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121012223303) 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, 33520168703881 + ... + 33520168703886.

It is an arithmetic number, because the mean of its divisors is an integer number (67040337407768).

Almost surely, 2^{201121012223301} is an apocalyptic number.

It is an amenable number.

201121012223301 is a deficient number, since it is larger than the sum of its proper divisors (67040337407771).

201121012223301 is an equidigital number, since it uses as much as digits as its factorization.

201121012223301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67040337407770.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 201121012223301 its reverse (103322210121102), we get a palindrome (304443222344403).

The spelling of 201121012223301 in words is "two hundred one trillion, one hundred twenty-one billion, twelve million, two hundred twenty-three thousand, three hundred one".