121002320021120 has 32 divisors (see below), whose sum is σ = 289271171302020. Its totient is φ = 48400928008192.

The previous prime is 121002320021119. The next prime is 121002320021147. The reversal of 121002320021120 is 21120023200121.

It can be written as a sum of positive squares in 2 ways, for example, as 112451093655616 + 8551226365504 = 10604296^2 + 2924248^2 .

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

It is a super-2 number, since 2×121002320021120² (a number of 29 digits) contains 22 as substring.

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, 94533061877 + ... + 94533063156.

Almost surely, 2^{121002320021120} is an apocalyptic number.

121002320021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002320021120 is an abundant number, since it is smaller than the sum of its proper divisors (168268851280900).

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

121002320021120 is an equidigital number, since it uses as much as digits as its factorization.

121002320021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189066125052 (or 189066125040 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121002320021120 its reverse (21120023200121), we get a palindrome (142122343221241).

The spelling of 121002320021120 in words is "one hundred twenty-one trillion, two billion, three hundred twenty million, twenty-one thousand, one hundred twenty".