1010101089 has 16 divisors (see below), whose sum is σ = 1385768384. Its totient is φ = 654091200.

The previous prime is 1010101069. The next prime is 1010101091. The reversal of 1010101089 is 9801010101.

It is not a de Polignac number, because 1010101089 - 2¹² = 1010096993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1010101039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719 + ... + 44979.

It is an arithmetic number, because the mean of its divisors is an integer number (86610524).

Almost surely, 2^1010101089 is an apocalyptic number.

It is an amenable number.

1010101089 is a deficient number, since it is larger than the sum of its proper divisors (375667295).

1010101089 is a wasteful number, since it uses less digits than its factorization.

1010101089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43488.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 1010101089 is about 31782.0875494358. The cubic root of 1010101089 is about 1003.3557559720.

The spelling of 1010101089 in words is "one billion, ten million, one hundred one thousand, eighty-nine".