2112122021102 has 16 divisors (see below), whose sum is σ = 3184206681600. Its totient is φ = 1050720138072.

The previous prime is 2112122021077. The next prime is 2112122021147. The reversal of 2112122021102 is 2011202212112.

It is a super-2 number, since 2×2112122021102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15990743 + ... + 16122285.

It is an arithmetic number, because the mean of its divisors is an integer number (199012917600).

Almost surely, 2^{2112122021102} is an apocalyptic number.

2112122021102 is a deficient number, since it is larger than the sum of its proper divisors (1072084660498).

2112122021102 is a wasteful number, since it uses less digits than its factorization.

2112122021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172087.

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

Adding to 2112122021102 its reverse (2011202212112), we get a palindrome (4123324233214).

The spelling of 2112122021102 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, twenty-one thousand, one hundred two".