1020220121120 has 24 divisors (see below), whose sum is σ = 2410270036524. Its totient is φ = 408088048384.

The previous prime is 1020220121101. The next prime is 1020220121189. The reversal of 1020220121120 is 211210220201.

It can be written as a sum of positive squares in 2 ways, for example, as 1010370749584 + 9849371536 = 1005172^2 + 99244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020220121095 and 1020220121104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3188187719 + ... + 3188188038.

Almost surely, 2^{1020220121120} is an apocalyptic number.

1020220121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020220121120 is an abundant number, since it is smaller than the sum of its proper divisors (1390049915404).

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

1020220121120 is an equidigital number, since it uses as much as digits as its factorization.

1020220121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376375772 (or 6376375764 counting only the distinct ones).

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

Adding to 1020220121120 its reverse (211210220201), we get a palindrome (1231430341321).

The spelling of 1020220121120 in words is "one trillion, twenty billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty".