202113231107 has 2 divisors, whose sum is σ = 202113231108. Its totient is φ = 202113231106.

The previous prime is 202113231071. The next prime is 202113231137. The reversal of 202113231107 is 701132311202.

Together with previous prime (202113231071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202113231107 - 2²² = 202109036803 is a prime.

It is not a weakly prime, because it can be changed into another prime (202113231137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056615553 + 101056615554.

It is an arithmetic number, because the mean of its divisors is an integer number (101056615554).

Almost surely, 2^202113231107 is an apocalyptic number.

202113231107 is a deficient number, since it is larger than the sum of its proper divisors (1).

202113231107 is an equidigital number, since it uses as much as digits as its factorization.

202113231107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 202113231107 its reverse (701132311202), we get a palindrome (903245542309).

The spelling of 202113231107 in words is "two hundred two billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred seven".