11022100122220 has 48 divisors (see below), whose sum is σ = 25346639501568. Its totient is φ = 3992796704960.

The previous prime is 11022100122191. The next prime is 11022100122233. The reversal of 11022100122220 is 2222100122011.

It is a happy number.

It is a super-2 number, since 2×11022100122220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11022100122194 and 11022100122203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95190154 + ... + 95305873.

It is an arithmetic number, because the mean of its divisors is an integer number (528054989616).

Almost surely, 2^{11022100122220} is an apocalyptic number.

11022100122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022100122220 is an abundant number, since it is smaller than the sum of its proper divisors (14324539379348).

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

11022100122220 is a wasteful number, since it uses less digits than its factorization.

11022100122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190496310 (or 190496308 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11022100122220 its reverse (2222100122011), we get a palindrome (13244200244231).

The spelling of 11022100122220 in words is "eleven trillion, twenty-two billion, one hundred million, one hundred twenty-two thousand, two hundred twenty".