1020221120120 has 32 divisors (see below), whose sum is σ = 2296789462800. Its totient is φ = 407858769408.

The previous prime is 1020221120077. The next prime is 1020221120147. The reversal of 1020221120120 is 210211220201.

It is a super-2 number, since 2×1020221120120² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020221120095 and 1020221120104.

It is a congruent number.

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, 7105490 + ... + 7247649.

Almost surely, 2^{1020221120120} is an apocalyptic number.

1020221120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020221120120 is an abundant number, since it is smaller than the sum of its proper divisors (1276568342680).

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

1020221120120 is a wasteful number, since it uses less digits than its factorization.

1020221120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14354927 (or 14354923 counting only the distinct ones).

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

Adding to 1020221120120 its reverse (210211220201), we get a palindrome (1230432340321).

The spelling of 1020221120120 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty".