2021222112103 has 16 divisors (see below), whose sum is σ = 2183665531104. Its totient is φ = 1863860060160.

The previous prime is 2021222112101. The next prime is 2021222112113. The reversal of 2021222112103 is 3012112221202.

It is a cyclic number.

It is not a de Polignac number, because 2021222112103 - 2¹ = 2021222112101 is a prime.

It is a super-2 number, since 2×2021222112103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021222112101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3525525 + ... + 4058542.

It is an arithmetic number, because the mean of its divisors is an integer number (136479095694).

Almost surely, 2^{2021222112103} is an apocalyptic number.

2021222112103 is a deficient number, since it is larger than the sum of its proper divisors (162443419001).

2021222112103 is a wasteful number, since it uses less digits than its factorization.

2021222112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584402.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2021222112103 its reverse (3012112221202), we get a palindrome (5033334333305).

The spelling of 2021222112103 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred three".