1011011111002 has 16 divisors (see below), whose sum is σ = 1548511999272. Its totient is φ = 494941536000.

The previous prime is 1011011110913. The next prime is 1011011111009. The reversal of 1011011111002 is 2001111101101.

It can be written as a sum of positive squares in 4 ways, for example, as 988475396841 + 22535714161 = 994221^2 + 150119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1011011111002.

It is not an unprimeable number, because it can be changed into a prime (1011011111009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25252749 + ... + 25292752.

Almost surely, 2^{1011011111002} is an apocalyptic number.

1011011111002 is a deficient number, since it is larger than the sum of its proper divisors (537500888270).

1011011111002 is a wasteful number, since it uses less digits than its factorization.

1011011111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50545713.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1011011111002 its reverse (2001111101101), we get a palindrome (3012122212103).

Subtracting 1011011111002 from its reverse (2001111101101), we obtain a palindrome (990099990099).

The spelling of 1011011111002 in words is "one trillion, eleven billion, eleven million, one hundred eleven thousand, two".