11220101112100 has 72 divisors (see below), whose sum is σ = 24433436347488. Its totient is φ = 4472246822400.

The previous prime is 11220101112097. The next prime is 11220101112131. The reversal of 11220101112100 is 121110102211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35652435 + ... + 35965765.

It is an arithmetic number, because the mean of its divisors is an integer number (339353282604).

Almost surely, 2^{11220101112100} is an apocalyptic number.

11220101112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220101112100 is an abundant number, since it is smaller than the sum of its proper divisors (13213335235388).

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

11220101112100 is a wasteful number, since it uses less digits than its factorization.

11220101112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314605 (or 314598 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11220101112100 its reverse (121110102211), we get a palindrome (11341211214311).

The spelling of 11220101112100 in words is "eleven trillion, two hundred twenty billion, one hundred one million, one hundred twelve thousand, one hundred".