100011220001100 has 288 divisors, whose sum is σ = 322008469305600. Its totient is φ = 26628964876800.

The previous prime is 100011220001083. The next prime is 100011220001117. The reversal of 100011220001100 is 1100022110001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100011220001083) and next prime (100011220001117).

It is a super-2 number, since 2×100011220001100² (a number of 29 digits) contains 22 as substring.

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

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, 6403169091 + ... + 6403184709.

Almost surely, 2^{100011220001100} is an apocalyptic number.

100011220001100 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 100011220001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161004234652800).

100011220001100 is an abundant number, since it is smaller than the sum of its proper divisors (221997249304500).

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

100011220001100 is a wasteful number, since it uses less digits than its factorization.

100011220001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19110 (or 19097 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100011220001100 its reverse (1100022110001), we get a palindrome (101111242111101).

The spelling of 100011220001100 in words is "one hundred trillion, eleven billion, two hundred twenty million, one thousand, one hundred".