11221020220120 has 32 divisors (see below), whose sum is σ = 25929654836400. Its totient is φ = 4367099760768.

The previous prime is 11221020220103. The next prime is 11221020220121. The reversal of 11221020220120 is 2102202012211.

It is a happy number.

It is a super-2 number, since 2×11221020220120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221020220094 and 11221020220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221020220121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3790883730 + ... + 3790886689.

Almost surely, 2^{11221020220120} is an apocalyptic number.

11221020220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221020220120 is an abundant number, since it is smaller than the sum of its proper divisors (14708634616280).

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

11221020220120 is a wasteful number, since it uses less digits than its factorization.

11221020220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581770467 (or 7581770463 counting only the distinct ones).

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

Adding to 11221020220120 its reverse (2102202012211), we get a palindrome (13323222232331).

The spelling of 11221020220120 in words is "eleven trillion, two hundred twenty-one billion, twenty million, two hundred twenty thousand, one hundred twenty".