2121120322222 has 8 divisors (see below), whose sum is σ = 3470924163672. Its totient is φ = 964145601000.

The previous prime is 2121120322213. The next prime is 2121120322253. The reversal of 2121120322222 is 2222230211212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2121120322222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 96414560101 = 2121120322222 / (2 + 1 + 2 + 1 + 1 + 2 + 0 + 3 + 2 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2121120322193 and 2121120322202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48207280029 + ... + 48207280072.

It is an arithmetic number, because the mean of its divisors is an integer number (433865520459).

Almost surely, 2^{2121120322222} is an apocalyptic number.

2121120322222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121120322222 is a deficient number, since it is larger than the sum of its proper divisors (1349803841450).

2121120322222 is a wasteful number, since it uses less digits than its factorization.

2121120322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96414560114.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2121120322222 its reverse (2222230211212), we get a palindrome (4343350533434).

The spelling of 2121120322222 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, three hundred twenty-two thousand, two hundred twenty-two".