2011020000989 has 2 divisors, whose sum is σ = 2011020000990. Its totient is φ = 2011020000988.

The previous prime is 2011020000973. The next prime is 2011020001027. The reversal of 2011020000989 is 9890000201102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1310589936100 + 700430064889 = 1144810^2 + 836917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011020000989 - 2⁴ = 2011020000973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011020005989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005510000494 + 1005510000495.

It is an arithmetic number, because the mean of its divisors is an integer number (1005510000495).

Almost surely, 2^{2011020000989} is an apocalyptic number.

It is an amenable number.

2011020000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011020000989 is an equidigital number, since it uses as much as digits as its factorization.

2011020000989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 2011020000989 in words is "two trillion, eleven billion, twenty million, nine hundred eighty-nine", and thus it is an aban number.