121010144221230 has 128 divisors (see below), whose sum is σ = 321195084742656. Its totient is φ = 28931370624000.

The previous prime is 121010144221229. The next prime is 121010144221237. The reversal of 121010144221230 is 32122441010121.

It is a self number, because there is not a number n which added to its sum of digits gives 121010144221230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010144221237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279155155 + ... + 279588305.

It is an arithmetic number, because the mean of its divisors is an integer number (2509336599552).

Almost surely, 2^{121010144221230} is an apocalyptic number.

121010144221230 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 121010144221230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160597542371328).

121010144221230 is an abundant number, since it is smaller than the sum of its proper divisors (200184940521426).

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

121010144221230 is a wasteful number, since it uses less digits than its factorization.

121010144221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444842.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 121010144221230 its reverse (32122441010121), we get a palindrome (153132585231351).

The spelling of 121010144221230 in words is "one hundred twenty-one trillion, ten billion, one hundred forty-four million, two hundred twenty-one thousand, two hundred thirty".