1011011100012 has 24 divisors (see below), whose sum is σ = 2621139889200. Its totient is φ = 337003699968.

The previous prime is 1011011099993. The next prime is 1011011100091. The reversal of 1011011100012 is 2100011101101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1011011099967 and 1011011100003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4680606837 + ... + 4680607052.

It is an arithmetic number, because the mean of its divisors is an integer number (109214162050).

Almost surely, 2^{1011011100012} is an apocalyptic number.

1011011100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011011100012 is an abundant number, since it is smaller than the sum of its proper divisors (1610128789188).

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

1011011100012 is a wasteful number, since it uses less digits than its factorization.

1011011100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361213902 (or 9361213894 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1011011100012 its reverse (2100011101101), we get a palindrome (3111022201113).

The spelling of 1011011100012 in words is "one trillion, eleven billion, eleven million, one hundred thousand, twelve".