2211434321220 has 48 divisors (see below), whose sum is σ = 6880017889920. Its totient is φ = 589715818848.

The previous prime is 2211434321191. The next prime is 2211434321293. The reversal of 2211434321220 is 221234341122.

2211434321220 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 4 + 3 + 432 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2047623832 + ... + 2047624911.

It is an arithmetic number, because the mean of its divisors is an integer number (143333706040).

Almost surely, 2^{2211434321220} is an apocalyptic number.

2211434321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211434321220 is an abundant number, since it is smaller than the sum of its proper divisors (4668583568700).

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

2211434321220 is a wasteful number, since it uses less digits than its factorization.

2211434321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095248761 (or 4095248753 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2211434321220 its reverse (221234341122), we get a palindrome (2432668662342).

The spelling of 2211434321220 in words is "two trillion, two hundred eleven billion, four hundred thirty-four million, three hundred twenty-one thousand, two hundred twenty".