202103023212011 has 4 divisors (see below), whose sum is σ = 205416187527024. Its totient is φ = 198789858897000.

The previous prime is 202103023212007. The next prime is 202103023212017. The reversal of 202103023212011 is 110212320301202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202103023212011 - 2² = 202103023212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202103023212017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656582157415 + ... + 1656582157536.

It is an arithmetic number, because the mean of its divisors is an integer number (51354046881756).

Almost surely, 2^{202103023212011} is an apocalyptic number.

202103023212011 is a deficient number, since it is larger than the sum of its proper divisors (3313164315013).

202103023212011 is an equidigital number, since it uses as much as digits as its factorization.

202103023212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313164315012.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202103023212011 its reverse (110212320301202), we get a palindrome (312315343513213).

The spelling of 202103023212011 in words is "two hundred two trillion, one hundred three billion, twenty-three million, two hundred twelve thousand, eleven".