10101111101010 has 96 divisors (see below), whose sum is σ = 26975744482752. Its totient is φ = 2620532684160.

The previous prime is 10101111101009. The next prime is 10101111101023. The reversal of 10101111101010 is 1010111110101.

10101111101010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101111100983 and 10101111101001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30106197 + ... + 30439863.

It is an arithmetic number, because the mean of its divisors is an integer number (280997338362).

Almost surely, 2^{10101111101010} is an apocalyptic number.

10101111101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101111101010 is an abundant number, since it is smaller than the sum of its proper divisors (16874633381742).

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

10101111101010 is a wasteful number, since it uses less digits than its factorization.

10101111101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342808 (or 342805 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 10101111101010 its reverse (1010111110101), we get a palindrome (11111222211111).

Subtracting from 10101111101010 its reverse (1010111110101), we obtain a palindrome (9090999990909).

It can be divided in two parts, 10101 and 111101010, that added together give a palindrome (111111111).

The spelling of 10101111101010 in words is "ten trillion, one hundred one billion, one hundred eleven million, one hundred one thousand, ten".