11220221101122 has 80 divisors (see below), whose sum is σ = 27428134219200. Its totient is φ = 3399952073760.

The previous prime is 11220221101097. The next prime is 11220221101123. The reversal of 11220221101122 is 22110112202211.

11220221101122 is a `hidden beast` number, since 1 + 1 + 220 + 221 + 101 + 122 = 666.

It is a super-2 number, since 2×11220221101122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11220221101095 and 11220221101104.

It is not an unprimeable number, because it can be changed into a prime (11220221101123) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63188379 + ... + 63365697.

It is an arithmetic number, because the mean of its divisors is an integer number (342851677740).

Almost surely, 2^{11220221101122} is an apocalyptic number.

11220221101122 is an abundant number, since it is smaller than the sum of its proper divisors (16207913118078).

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

11220221101122 is a wasteful number, since it uses less digits than its factorization.

11220221101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212853 (or 212844 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11220221101122 its reverse (22110112202211), we get a palindrome (33330333303333).

The spelling of 11220221101122 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-one million, one hundred one thousand, one hundred twenty-two".