103211011222220 has 144 divisors (see below), whose sum is σ = 253260121413600. Its totient is φ = 35203905792000.

The previous prime is 103211011222177. The next prime is 103211011222237. The reversal of 103211011222220 is 22222110112301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103211011222192 and 103211011222201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6468365 + ... + 15756324.

It is an arithmetic number, because the mean of its divisors is an integer number (1758750843150).

Almost surely, 2^{103211011222220} is an apocalyptic number.

103211011222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103211011222220 is an abundant number, since it is smaller than the sum of its proper divisors (150049110191380).

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

103211011222220 is a wasteful number, since it uses less digits than its factorization.

103211011222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22224840 (or 22224827 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 103211011222220 its reverse (22222110112301), we get a palindrome (125433121334521).

The spelling of 103211011222220 in words is "one hundred three trillion, two hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred twenty".