103121022031230 has 256 divisors, whose sum is σ = 311497618636800. Its totient is φ = 21302733957120.

The previous prime is 103121022031219. The next prime is 103121022031271. The reversal of 103121022031230 is 32130220121301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 103121022031197 and 103121022031206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33298390 + ... + 36263270.

It is an arithmetic number, because the mean of its divisors is an integer number (1216787572800).

Almost surely, 2^{103121022031230} is an apocalyptic number.

103121022031230 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 103121022031230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155748809318400).

103121022031230 is an abundant number, since it is smaller than the sum of its proper divisors (208376596605570).

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

103121022031230 is a wasteful number, since it uses less digits than its factorization.

103121022031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965319.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 103121022031230 its reverse (32130220121301), we get a palindrome (135251242152531).

The spelling of 103121022031230 in words is "one hundred three trillion, one hundred twenty-one billion, twenty-two million, thirty-one thousand, two hundred thirty".