11122001220100 has 72 divisors (see below), whose sum is σ = 24426890016480. Its totient is φ = 4394954446080.

The previous prime is 11122001220047. The next prime is 11122001220101. The reversal of 11122001220100 is 102210022111.

It is a super-2 number, since 2×11122001220100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11122001220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243490864 + ... + 243536536.

It is an arithmetic number, because the mean of its divisors is an integer number (339262361340).

Almost surely, 2^{11122001220100} is an apocalyptic number.

11122001220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122001220100 is an abundant number, since it is smaller than the sum of its proper divisors (13304888796380).

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

11122001220100 is a wasteful number, since it uses less digits than its factorization.

11122001220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75109 (or 75102 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11122001220100 its reverse (102210022111), we get a palindrome (11224211242211).

The spelling of 11122001220100 in words is "eleven trillion, one hundred twenty-two billion, one million, two hundred twenty thousand, one hundred".