121330211024 has 160 divisors (see below), whose sum is σ = 265749657600. Its totient is φ = 53196549120.

The previous prime is 121330211003. The next prime is 121330211137. The reversal of 121330211024 is 420112033121.

It is a super-2 number, since 2×121330211024² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121330210987 and 121330211005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129487484 + ... + 129488420.

It is an arithmetic number, because the mean of its divisors is an integer number (1660935360).

Almost surely, 2^121330211024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121330211024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132874828800).

121330211024 is an abundant number, since it is smaller than the sum of its proper divisors (144419446576).

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

121330211024 is a wasteful number, since it uses less digits than its factorization.

121330211024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121330211024 its reverse (420112033121), we get a palindrome (541442244145).

The spelling of 121330211024 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred eleven thousand, twenty-four".