11112011101010 has 16 divisors (see below), whose sum is σ = 20329515392472. Its totient is φ = 4371938793600.

The previous prime is 11112011101001. The next prime is 11112011101021. The reversal of 11112011101010 is 1010111021111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2728942106401 + 8383068994609 = 1651951^2 + 2895353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11112011100982 and 11112011101000.

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, 9108205211 + ... + 9108206430.

Almost surely, 2^{11112011101010} is an apocalyptic number.

11112011101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112011101010 is a deficient number, since it is larger than the sum of its proper divisors (9217504291462).

11112011101010 is a wasteful number, since it uses less digits than its factorization.

11112011101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18216411709.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11112011101010 its reverse (1010111021111), we get a palindrome (12122122122121).

The spelling of 11112011101010 in words is "eleven trillion, one hundred twelve billion, eleven million, one hundred one thousand, ten".