1000100101010 has 16 divisors (see below), whose sum is σ = 1800192608856. Its totient is φ = 400037278848.

The previous prime is 1000100100977. The next prime is 1000100101081. The reversal of 1000100101010 is 101010010001.

It can be written as a sum of positive squares in 4 ways, for example, as 947408275801 + 52691825209 = 973349^2 + 229547^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 1000100100985 and 1000100101003.

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, 1826342 + ... + 2309918.

Almost surely, 2^{1000100101010} is an apocalyptic number.

1000100101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000100101010 is a deficient number, since it is larger than the sum of its proper divisors (800092507846).

1000100101010 is a wasteful number, since it uses less digits than its factorization.

1000100101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690397.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 1000100101010 its reverse (101010010001), we get a palindrome (1101110111011).

The spelling of 1000100101010 in words is "one trillion, one hundred million, one hundred one thousand, ten".