211102012987 has 2 divisors, whose sum is σ = 211102012988. Its totient is φ = 211102012986.

The previous prime is 211102012967. The next prime is 211102012999. The reversal of 211102012987 is 789210201112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211102012987 - 2¹¹ = 211102010939 is a prime.

It is not a weakly prime, because it can be changed into another prime (211102012907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105551006493 + 105551006494.

It is an arithmetic number, because the mean of its divisors is an integer number (105551006494).

Almost surely, 2^211102012987 is an apocalyptic number.

211102012987 is a deficient number, since it is larger than the sum of its proper divisors (1).

211102012987 is an equidigital number, since it uses as much as digits as its factorization.

211102012987 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 34.

The spelling of 211102012987 in words is "two hundred eleven billion, one hundred two million, twelve thousand, nine hundred eighty-seven".