20110201000987 has 2 divisors, whose sum is σ = 20110201000988. Its totient is φ = 20110201000986.

The previous prime is 20110201000973. The next prime is 20110201001047. The reversal of 20110201000987 is 78900010201102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110201000987 - 2⁷ = 20110201000859 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110201000937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055100500493 + 10055100500494.

It is an arithmetic number, because the mean of its divisors is an integer number (10055100500494).

Almost surely, 2^{20110201000987} is an apocalyptic number.

20110201000987 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110201000987 is an equidigital number, since it uses as much as digits as its factorization.

20110201000987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 20110201000987 in words is "twenty trillion, one hundred ten billion, two hundred one million, nine hundred eighty-seven", and thus it is an aban number.