1211020022330 has 8 divisors (see below), whose sum is σ = 2179836040212. Its totient is φ = 484408008928.

The previous prime is 1211020022323. The next prime is 1211020022363. The reversal of 1211020022330 is 332200201121.

It can be written as a sum of positive squares in 2 ways, for example, as 1096521028201 + 114498994129 = 1047149^2 + 338377^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1211020022299 and 1211020022308.

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, 60551001107 + ... + 60551001126.

Almost surely, 2^{1211020022330} is an apocalyptic number.

1211020022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211020022330 is a deficient number, since it is larger than the sum of its proper divisors (968816017882).

1211020022330 is a wasteful number, since it uses less digits than its factorization.

1211020022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121102002240.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1211020022330 its reverse (332200201121), we get a palindrome (1543220223451).

The spelling of 1211020022330 in words is "one trillion, two hundred eleven billion, twenty million, twenty-two thousand, three hundred thirty".