2211320103321 has 16 divisors (see below), whose sum is σ = 3370392617984. Its totient is φ = 1263325743504.

The previous prime is 2211320103283. The next prime is 2211320103379. The reversal of 2211320103321 is 1233010231122.

It is not a de Polignac number, because 2211320103321 - 2¹⁰ = 2211320102297 is a prime.

It is a super-3 number, since 3×2211320103321³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2211320103221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11810911 + ... + 11996676.

It is an arithmetic number, because the mean of its divisors is an integer number (210649538624).

Almost surely, 2^{2211320103321} is an apocalyptic number.

2211320103321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2211320103321 is a deficient number, since it is larger than the sum of its proper divisors (1159072514663).

2211320103321 is a wasteful number, since it uses less digits than its factorization.

2211320103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23812020.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2211320103321 its reverse (1233010231122), we get a palindrome (3444330334443).

The spelling of 2211320103321 in words is "two trillion, two hundred eleven billion, three hundred twenty million, one hundred three thousand, three hundred twenty-one".