101010111111010 has 128 divisors (see below), whose sum is σ = 195301624089600. Its totient is φ = 37543322880000.

The previous prime is 101010111110947. The next prime is 101010111111043. The reversal of 101010111111010 is 10111111010101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 325286001 + ... + 325596379.

It is an arithmetic number, because the mean of its divisors is an integer number (1525793938200).

Almost surely, 2^{101010111111010} is an apocalyptic number.

101010111111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101010111111010 is a deficient number, since it is larger than the sum of its proper divisors (94291512978590).

101010111111010 is a wasteful number, since it uses less digits than its factorization.

101010111111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310828.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 101010111111010 its reverse (10111111010101), we get a palindrome (111121222121111).

The spelling of 101010111111010 in words is "one hundred one trillion, ten billion, one hundred eleven million, one hundred eleven thousand, ten".