1211121112022 has 8 divisors (see below), whose sum is σ = 1826718583872. Its totient is φ = 602214917400.

The previous prime is 1211121112021. The next prime is 1211121112081. The reversal of 1211121112022 is 2202111211121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211121112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672818854 + ... + 1672819577.

It is an arithmetic number, because the mean of its divisors is an integer number (228339822984).

Almost surely, 2^{1211121112022} is an apocalyptic number.

1211121112022 is a deficient number, since it is larger than the sum of its proper divisors (615597471850).

1211121112022 is a wasteful number, since it uses less digits than its factorization.

1211121112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345638614.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1211121112022 its reverse (2202111211121), we get a palindrome (3413232323143).

Subtracting 1211121112022 from its reverse (2202111211121), we obtain a palindrome (990990099099).

The spelling of 1211121112022 in words is "one trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, twenty-two".