1001111100010 has 64 divisors (see below), whose sum is σ = 2071174364928. Its totient is φ = 341285289984.

The previous prime is 1001111100001. The next prime is 1001111100019. The reversal of 1001111100010 is 100011111001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1001111100001) and next prime (1001111100019).

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 1001111099966 and 1001111100002.

It is not an unprimeable number, because it can be changed into a prime (1001111100019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9970477 + ... + 10070383.

It is an arithmetic number, because the mean of its divisors is an integer number (32362099452).

Almost surely, 2^{1001111100010} is an apocalyptic number.

1001111100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001111100010 is an abundant number, since it is smaller than the sum of its proper divisors (1070063264918).

1001111100010 is a wasteful number, since it uses less digits than its factorization.

1001111100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100735.

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

Adding to 1001111100010 its reverse (100011111001), we get a palindrome (1101122211011).

The spelling of 1001111100010 in words is "one trillion, one billion, one hundred eleven million, one hundred thousand, ten".