11100221102100 has 144 divisors (see below), whose sum is σ = 35779811195520. Its totient is φ = 2638142707200.

The previous prime is 11100221102027. The next prime is 11100221102137. The reversal of 11100221102100 is 120112200111.

It is a super-2 number, since 2×11100221102100² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48959496 + ... + 49185695.

It is an arithmetic number, because the mean of its divisors is an integer number (248470911080).

Almost surely, 2^{11100221102100} is an apocalyptic number.

11100221102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100221102100 is an abundant number, since it is smaller than the sum of its proper divisors (24679590093420).

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

11100221102100 is a wasteful number, since it uses less digits than its factorization.

11100221102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98145250 (or 98145243 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11100221102100 its reverse (120112200111), we get a palindrome (11220333302211).

It can be divided in two parts, 1110022 and 1102100, that added together give a palindrome (2212122).

The spelling of 11100221102100 in words is "eleven trillion, one hundred billion, two hundred twenty-one million, one hundred two thousand, one hundred".