2001022010989 has 32 divisors (see below), whose sum is σ = 2144121103872. Its totient is φ = 1860921216000.

The previous prime is 2001022010969. The next prime is 2001022011013. The reversal of 2001022010989 is 9890102201002.

It is a cyclic number.

It is not a de Polignac number, because 2001022010989 - 2¹⁹ = 2001021486701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001022010959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300405319 + ... + 300411979.

It is an arithmetic number, because the mean of its divisors is an integer number (67003784496).

Almost surely, 2^{2001022010989} is an apocalyptic number.

It is an amenable number.

2001022010989 is a deficient number, since it is larger than the sum of its proper divisors (143099092883).

2001022010989 is a wasteful number, since it uses less digits than its factorization.

2001022010989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 2001022010989 in words is "two trillion, one billion, twenty-two million, ten thousand, nine hundred eighty-nine".