1010111010 has 64 divisors (see below), whose sum is σ = 2549809152. Its totient is φ = 255600576.

The previous prime is 1010110967. The next prime is 1010111057. The reversal of 1010111010 is 101110101.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 1010111010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81867 + ... + 93393.

It is an arithmetic number, because the mean of its divisors is an integer number (39840768).

Almost surely, 2^1010111010 is an apocalyptic number.

1010111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010111010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274904576).

1010111010 is an abundant number, since it is smaller than the sum of its proper divisors (1539698142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010111010 is a wasteful number, since it uses less digits than its factorization.

1010111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11687.

The product of its (nonzero) digits is 1, while the sum is 6.

The square root of 1010111010 is about 31782.2436275352. The cubic root of 1010111010 is about 1003.3590408775.

Adding to 1010111010 its reverse (101110101), we get a palindrome (1111221111).

Subtracting from 1010111010 its reverse (101110101), we obtain a palindrome (909000909).

The spelling of 1010111010 in words is "one billion, ten million, one hundred eleven thousand, ten".