2021222122112 has 32 divisors (see below), whose sum is σ = 4027407877920. Its totient is φ = 1010421713664.

The previous prime is 2021222122103. The next prime is 2021222122247. The reversal of 2021222122112 is 2112212221202.

It is a tau number, because it is divible by the number of its divisors (32).

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, 792188 + ... + 2161019.

It is an arithmetic number, because the mean of its divisors is an integer number (125856496185).

Almost surely, 2^{2021222122112} is an apocalyptic number.

It is an amenable number.

2021222122112 is a deficient number, since it is larger than the sum of its proper divisors (2006185755808).

2021222122112 is an equidigital number, since it uses as much as digits as its factorization.

2021222122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958568 (or 2958556 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2021222122112 its reverse (2112212221202), we get a palindrome (4133434343314).

The spelling of 2021222122112 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".