100011211001000 has 64 divisors (see below), whose sum is σ = 252028251755280. Its totient is φ = 36927216364800.

The previous prime is 100011211000997. The next prime is 100011211001063. The reversal of 100011211001000 is 100112110001.

It is a happy number.

100011211001000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4716167962276 + 95295043038724 = 2171674^2 + 9761918^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3846572039 + ... + 3846598038.

Almost surely, 2^{100011211001000} is an apocalyptic number.

100011211001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011211001000 is an abundant number, since it is smaller than the sum of its proper divisors (152017040754280).

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

100011211001000 is a wasteful number, since it uses less digits than its factorization.

100011211001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693170111 (or 7693170097 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100011211001000 its reverse (100112110001), we get a palindrome (100111323111001).

The spelling of 100011211001000 in words is "one hundred trillion, eleven billion, two hundred eleven million, one thousand".