2234211111220 has 48 divisors (see below), whose sum is σ = 5118921561600. Its totient is φ = 812353576320.

The previous prime is 2234211111193. The next prime is 2234211111233. The reversal of 2234211111220 is 221111124322.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2234211111191 and 2234211111200.

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, 1538626 + ... + 2614534.

It is an arithmetic number, because the mean of its divisors is an integer number (106644199200).

Almost surely, 2^{2234211111220} is an apocalyptic number.

2234211111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2234211111220 is an abundant number, since it is smaller than the sum of its proper divisors (2884710450380).

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

2234211111220 is a wasteful number, since it uses less digits than its factorization.

2234211111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085368 (or 1085366 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2234211111220 its reverse (221111124322), we get a palindrome (2455322235542).

The spelling of 2234211111220 in words is "two trillion, two hundred thirty-four billion, two hundred eleven million, one hundred eleven thousand, two hundred twenty".