201121002202031 has 2 divisors, whose sum is σ = 201121002202032. Its totient is φ = 201121002202030.

The previous prime is 201121002201997. The next prime is 201121002202061. The reversal of 201121002202031 is 130202200121102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201121002202031 - 2²⁶ = 201120935093167 is a prime.

It is a super-2 number, since 2×201121002202031² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201121002202061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560501101015 + 100560501101016.

It is an arithmetic number, because the mean of its divisors is an integer number (100560501101016).

Almost surely, 2^{201121002202031} is an apocalyptic number.

201121002202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121002202031 is an equidigital number, since it uses as much as digits as its factorization.

201121002202031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201121002202031 its reverse (130202200121102), we get a palindrome (331323202323133).

The spelling of 201121002202031 in words is "two hundred one trillion, one hundred twenty-one billion, two million, two hundred two thousand, thirty-one".