103020211301220 has 144 divisors (see below), whose sum is σ = 322605085071360. Its totient is φ = 26583390777600.

The previous prime is 103020211301153. The next prime is 103020211301281. The reversal of 103020211301220 is 22103112020301.

103020211301220 is a `hidden beast` number, since 1 + 0 + 302 + 0 + 211 + 30 + 122 + 0 = 666.

It is a super-2 number, since 2×103020211301220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103020211301193 and 103020211301202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59584686 + ... + 61289274.

Almost surely, 2^{103020211301220} is an apocalyptic number.

103020211301220 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 103020211301220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161302542535680).

103020211301220 is an abundant number, since it is smaller than the sum of its proper divisors (219584873770140).

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

103020211301220 is a wasteful number, since it uses less digits than its factorization.

103020211301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715466 (or 1715461 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103020211301220 its reverse (22103112020301), we get a palindrome (125123323321521).

The spelling of 103020211301220 in words is "one hundred three trillion, twenty billion, two hundred eleven million, three hundred one thousand, two hundred twenty".