201121012222133 has 2 divisors, whose sum is σ = 201121012222134. Its totient is φ = 201121012222132.

The previous prime is 201121012222063. The next prime is 201121012222153. The reversal of 201121012222133 is 331222210121102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197111013982129 + 4009998240004 = 14039623^2 + 2002498^2 .

It is a cyclic number.

It is not a de Polignac number, because 201121012222133 - 2²⁰ = 201121011173557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201121012222099 and 201121012222108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201121012222153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560506111066 + 100560506111067.

It is an arithmetic number, because the mean of its divisors is an integer number (100560506111067).

Almost surely, 2^{201121012222133} is an apocalyptic number.

It is an amenable number.

201121012222133 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121012222133 is an equidigital number, since it uses as much as digits as its factorization.

201121012222133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 201121012222133 its reverse (331222210121102), we get a palindrome (532343222343235).

The spelling of 201121012222133 in words is "two hundred one trillion, one hundred twenty-one billion, twelve million, two hundred twenty-two thousand, one hundred thirty-three".