201211210100987 has 2 divisors, whose sum is σ = 201211210100988. Its totient is φ = 201211210100986.

The previous prime is 201211210100951. The next prime is 201211210101007. The reversal of 201211210100987 is 789001012112102.

201211210100987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201211210100987 - 2¹⁸ = 201211209838843 is a prime.

It is not a weakly prime, because it can be changed into another prime (201211210300987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605605050493 + 100605605050494.

It is an arithmetic number, because the mean of its divisors is an integer number (100605605050494).

Almost surely, 2^{201211210100987} is an apocalyptic number.

201211210100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201211210100987 is an equidigital number, since it uses as much as digits as its factorization.

201211210100987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 201211210100987 in words is "two hundred one trillion, two hundred eleven billion, two hundred ten million, one hundred thousand, nine hundred eighty-seven".