201101212120951 has 2 divisors, whose sum is σ = 201101212120952. Its totient is φ = 201101212120950.

The previous prime is 201101212120943. The next prime is 201101212121023. The reversal of 201101212120951 is 159021212101102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201101212120951 - 2³ = 201101212120943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201101212120931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550606060475 + 100550606060476.

It is an arithmetic number, because the mean of its divisors is an integer number (100550606060476).

Almost surely, 2^{201101212120951} is an apocalyptic number.

201101212120951 is a deficient number, since it is larger than the sum of its proper divisors (1).

201101212120951 is an equidigital number, since it uses as much as digits as its factorization.

201101212120951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 201101212120951 in words is "two hundred one trillion, one hundred one billion, two hundred twelve million, one hundred twenty thousand, nine hundred fifty-one".