103202220131220 has 288 divisors, whose sum is σ = 354701386972800. Its totient is φ = 22292904001536.

The previous prime is 103202220131147. The next prime is 103202220131249. The reversal of 103202220131220 is 22131022202301.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20588164 + ... + 25105316.

It is an arithmetic number, because the mean of its divisors is an integer number (1231602038100).

Almost surely, 2^{103202220131220} is an apocalyptic number.

103202220131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103202220131220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177350693486400).

103202220131220 is an abundant number, since it is smaller than the sum of its proper divisors (251499166841580).

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

103202220131220 is a wasteful number, since it uses less digits than its factorization.

103202220131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517607 (or 4517598 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 103202220131220 its reverse (22131022202301), we get a palindrome (125333242333521).

The spelling of 103202220131220 in words is "one hundred three trillion, two hundred two billion, two hundred twenty million, one hundred thirty-one thousand, two hundred twenty".