1222021001120 has 48 divisors (see below), whose sum is σ = 2887423019208. Its totient is φ = 488740945920.

The previous prime is 1222021001087. The next prime is 1222021001129. The reversal of 1222021001120 is 211001202221.

It can be written as a sum of positive squares in 4 ways, for example, as 739001561104 + 483019440016 = 859652^2 + 694996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222021001095 and 1222021001104.

It is not an unprimeable number, because it can be changed into a prime (1222021001129) 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, 644180 + ... + 1690860.

Almost surely, 2^{1222021001120} is an apocalyptic number.

1222021001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222021001120 is an abundant number, since it is smaller than the sum of its proper divisors (1665402018088).

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

1222021001120 is a wasteful number, since it uses less digits than its factorization.

1222021001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053993 (or 1053985 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222021001120 its reverse (211001202221), we get a palindrome (1433022203341).

The spelling of 1222021001120 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one thousand, one hundred twenty".