121123332020130 has 128 divisors (see below), whose sum is σ = 318245875174656. Its totient is φ = 29259353088000.

The previous prime is 121123332020113. The next prime is 121123332020143. The reversal of 121123332020130 is 31020233321121.

It is a self number, because there is not a number n which added to its sum of digits gives 121123332020130.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194640480 + ... + 195261780.

It is an arithmetic number, because the mean of its divisors is an integer number (2486295899802).

Almost surely, 2^{121123332020130} is an apocalyptic number.

121123332020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121123332020130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159122937587328).

121123332020130 is an abundant number, since it is smaller than the sum of its proper divisors (197122543154526).

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

121123332020130 is a wasteful number, since it uses less digits than its factorization.

121123332020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623412.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121123332020130 its reverse (31020233321121), we get a palindrome (152143565341251).

The spelling of 121123332020130 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, three hundred thirty-two million, twenty thousand, one hundred thirty".