10011211121100 has 288 divisors, whose sum is σ = 33708169094656. Its totient is φ = 2246633625600.

The previous prime is 10011211121069. The next prime is 10011211121111. The reversal of 10011211121100 is 112111211001.

10011211121100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10011211121100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69999264 + ... + 70142136.

Almost surely, 2^{10011211121100} is an apocalyptic number.

10011211121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10011211121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16854084547328).

10011211121100 is an abundant number, since it is smaller than the sum of its proper divisors (23696957973556).

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

10011211121100 is a wasteful number, since it uses less digits than its factorization.

10011211121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143505 (or 143498 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10011211121100 its reverse (112111211001), we get a palindrome (10123322332101).

The spelling of 10011211121100 in words is "ten trillion, eleven billion, two hundred eleven million, one hundred twenty-one thousand, one hundred".