22103210131220 has 48 divisors (see below), whose sum is σ = 48439982949120. Its totient is φ = 8455985995776.

The previous prime is 22103210131181. The next prime is 22103210131253. The reversal of 22103210131220 is 2213101230122.

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 = 22103210131192 and 22103210131201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1821401 + ... + 6893759.

It is an arithmetic number, because the mean of its divisors is an integer number (1009166311440).

Almost surely, 2^{22103210131220} is an apocalyptic number.

22103210131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22103210131220 is an abundant number, since it is smaller than the sum of its proper divisors (26336772817900).

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

22103210131220 is a wasteful number, since it uses less digits than its factorization.

22103210131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081864 (or 5081862 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22103210131220 its reverse (2213101230122), we get a palindrome (24316311361342).

The spelling of 22103210131220 in words is "twenty-two trillion, one hundred three billion, two hundred ten million, one hundred thirty-one thousand, two hundred twenty".