1011111001010 has 64 divisors (see below), whose sum is σ = 2092291617024. Its totient is φ = 348208608000.

The previous prime is 1011111001003. The next prime is 1011111001027. The reversal of 1011111001010 is 101001111101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1722929 + ... + 2233988.

It is an arithmetic number, because the mean of its divisors is an integer number (32692056516).

Almost surely, 2^{1011111001010} is an apocalyptic number.

1011111001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011111001010 is an abundant number, since it is smaller than the sum of its proper divisors (1081180616014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011111001010 is a wasteful number, since it uses less digits than its factorization.

1011111001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957059.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1011111001010 its reverse (101001111101), we get a palindrome (1112112112111).

It can be divided in two parts, 101 and 1111001010, that added together give a palindrome (1111001111).

The spelling of 1011111001010 in words is "one trillion, eleven billion, one hundred eleven million, one thousand, ten".