22211120100 has 72 divisors (see below), whose sum is σ = 69207584320. Its totient is φ = 5467351680.

The previous prime is 22211120059. The next prime is 22211120119. The reversal of 22211120100 is 102111222.

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

It is an unprimeable number.

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, 2843680 + ... + 2851479.

Almost surely, 2^22211120100 is an apocalyptic number.

22211120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211120100 is an abundant number, since it is smaller than the sum of its proper divisors (46996464220).

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

22211120100 is a wasteful number, since it uses less digits than its factorization.

22211120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695189 (or 5695182 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22211120100 its reverse (102111222), we get a palindrome (22313231322).

It can be divided in two parts, 22211 and 120100, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 22211120100 in words is "twenty-two billion, two hundred eleven million, one hundred twenty thousand, one hundred".