1220022101120 has 32 divisors (see below), whose sum is σ = 2916615337020. Its totient is φ = 488008840192.

The previous prime is 1220022101113. The next prime is 1220022101143. The reversal of 1220022101120 is 211012200221.

It can be written as a sum of positive squares in 2 ways, for example, as 1195733502016 + 24288599104 = 1093496^2 + 155848^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1220022101095 and 1220022101104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953141627 + ... + 953142906.

Almost surely, 2^{1220022101120} is an apocalyptic number.

1220022101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220022101120 is an abundant number, since it is smaller than the sum of its proper divisors (1696593235900).

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

1220022101120 is an equidigital number, since it uses as much as digits as its factorization.

1220022101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906284552 (or 1906284540 counting only the distinct ones).

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

Adding to 1220022101120 its reverse (211012200221), we get a palindrome (1431034301341).

The spelling of 1220022101120 in words is "one trillion, two hundred twenty billion, twenty-two million, one hundred one thousand, one hundred twenty".