211120202210987 has 2 divisors, whose sum is σ = 211120202210988. Its totient is φ = 211120202210986.

The previous prime is 211120202210927. The next prime is 211120202211053. The reversal of 211120202210987 is 789012202021112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211120202210987 - 2¹⁰ = 211120202209963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211120202210987.

It is not a weakly prime, because it can be changed into another prime (211120202210927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560101105493 + 105560101105494.

It is an arithmetic number, because the mean of its divisors is an integer number (105560101105494).

Almost surely, 2^{211120202210987} is an apocalyptic number.

211120202210987 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120202210987 is an equidigital number, since it uses as much as digits as its factorization.

211120202210987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 211120202210987 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred two million, two hundred ten thousand, nine hundred eighty-seven".