1091210030000 has 50 divisors (see below), whose sum is σ = 2641928627844. Its totient is φ = 436484008000.

The previous prime is 1091210029997. The next prime is 1091210030011. The reversal of 1091210030000 is 300121901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 54550502 + ... + 54570501.

Almost surely, 2^{1091210030000} is an apocalyptic number.

1091210030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1091210030000 is an abundant number, since it is smaller than the sum of its proper divisors (1550718597844).

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

1091210030000 is an equidigital number, since it uses as much as digits as its factorization.

1091210030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109121031 (or 109121010 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1091210030000 its reverse (300121901), we get a palindrome (1091510151901).

The spelling of 1091210030000 in words is "one trillion, ninety-one billion, two hundred ten million, thirty thousand".