11222001202120 has 32 divisors (see below), whose sum is σ = 25286471291520. Its totient is φ = 4482228287680.

The previous prime is 11222001202109. The next prime is 11222001202147. The reversal of 11222001202120 is 2120210022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11222001202094 and 11222001202103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205353376 + ... + 205408015.

It is an arithmetic number, because the mean of its divisors is an integer number (790202227860).

Almost surely, 2^{11222001202120} is an apocalyptic number.

11222001202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222001202120 is an abundant number, since it is smaller than the sum of its proper divisors (14064470089400).

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

11222001202120 is a wasteful number, since it uses less digits than its factorization.

11222001202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410762085 (or 410762081 counting only the distinct ones).

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

Adding to 11222001202120 its reverse (2120210022211), we get a palindrome (13342211224331).

The spelling of 11222001202120 in words is "eleven trillion, two hundred twenty-two billion, one million, two hundred two thousand, one hundred twenty".