101100100101010 has 16 divisors (see below), whose sum is σ = 182038713586200. Its totient is φ = 40427032617216.

The previous prime is 101100100101001. The next prime is 101100100101023. The reversal of 101100100101010 is 10101001001101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34538341486489 + 66561758614521 = 5876933^2 + 8158539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101100100100984 and 101100100101002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625895255 + ... + 1625957434.

Almost surely, 2^{101100100101010} is an apocalyptic number.

101100100101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101100100101010 is a deficient number, since it is larger than the sum of its proper divisors (80938613485190).

101100100101010 is a wasteful number, since it uses less digits than its factorization.

101100100101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251855805.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 101100100101010 its reverse (10101001001101), we get a palindrome (111201101102111).

Subtracting from 101100100101010 its reverse (10101001001101), we obtain a palindrome (90999099099909).

The spelling of 101100100101010 in words is "one hundred one trillion, one hundred billion, one hundred million, one hundred one thousand, ten".