1020730889211 has 64 divisors (see below), whose sum is σ = 1580421113856. Its totient is φ = 579134361600.

The previous prime is 1020730889207. The next prime is 1020730889261. The reversal of 1020730889211 is 1129880370201.

It is not a de Polignac number, because 1020730889211 - 2² = 1020730889207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020730889261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146002926 + ... + 146009916.

It is an arithmetic number, because the mean of its divisors is an integer number (24694079904).

Almost surely, 2^{1020730889211} is an apocalyptic number.

1020730889211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020730889211 is a deficient number, since it is larger than the sum of its proper divisors (559690224645).

1020730889211 is a wasteful number, since it uses less digits than its factorization.

1020730889211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372.

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 1020730889211 in words is "one trillion, twenty billion, seven hundred thirty million, eight hundred eighty-nine thousand, two hundred eleven".