2021222101112 has 8 divisors (see below), whose sum is σ = 3789791439600. Its totient is φ = 1010611050552.

The previous prime is 2021222101097. The next prime is 2021222101133. The reversal of 2021222101112 is 2111012221202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126326381312 + ... + 126326381327.

It is an arithmetic number, because the mean of its divisors is an integer number (473723929950).

Almost surely, 2^{2021222101112} is an apocalyptic number.

It is an amenable number.

2021222101112 is a deficient number, since it is larger than the sum of its proper divisors (1768569338488).

2021222101112 is a wasteful number, since it uses less digits than its factorization.

2021222101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252652762645 (or 252652762641 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021222101112 its reverse (2111012221202), we get a palindrome (4132234322314).

The spelling of 2021222101112 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred one thousand, one hundred twelve".