121010203310020 has 48 divisors (see below), whose sum is σ = 262885386576960. Its totient is φ = 46734770307456.

The previous prime is 121010203310011. The next prime is 121010203310053. The reversal of 121010203310020 is 20013302010121.

It is a super-3 number, since 3×121010203310020³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121010203309976 and 121010203310003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255359419 + ... + 255832861.

It is an arithmetic number, because the mean of its divisors is an integer number (5476778887020).

Almost surely, 2^{121010203310020} is an apocalyptic number.

121010203310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010203310020 is an abundant number, since it is smaller than the sum of its proper divisors (141875183266940).

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

121010203310020 is a wasteful number, since it uses less digits than its factorization.

121010203310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914164 (or 914162 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121010203310020 its reverse (20013302010121), we get a palindrome (141023505320141).

The spelling of 121010203310020 in words is "one hundred twenty-one trillion, ten billion, two hundred three million, three hundred ten thousand, twenty".