201100009951 has 2 divisors, whose sum is σ = 201100009952. Its totient is φ = 201100009950.

The previous prime is 201100009921. The next prime is 201100010003. The reversal of 201100009951 is 159900001102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201100009951 - 2¹¹ = 201100007903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201100009921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550004975 + 100550004976.

It is an arithmetic number, because the mean of its divisors is an integer number (100550004976).

Almost surely, 2^201100009951 is an apocalyptic number.

201100009951 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100009951 is an equidigital number, since it uses as much as digits as its factorization.

201100009951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 28.

The spelling of 201100009951 in words is "two hundred one billion, one hundred million, nine thousand, nine hundred fifty-one".