2112221042102 has 8 divisors (see below), whose sum is σ = 3179527081896. Its totient is φ = 1052378681472.

The previous prime is 2112221042101. The next prime is 2112221042131. The reversal of 2112221042102 is 2012401222112.

It is a happy number.

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

It is a super-2 number, since 2×2112221042102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112221042101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865919083 + ... + 1865920214.

It is an arithmetic number, because the mean of its divisors is an integer number (397440885237).

Almost surely, 2^{2112221042102} is an apocalyptic number.

2112221042102 is a deficient number, since it is larger than the sum of its proper divisors (1067306039794).

2112221042102 is a wasteful number, since it uses less digits than its factorization.

2112221042102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731839582.

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

Adding to 2112221042102 its reverse (2012401222112), we get a palindrome (4124622264214).

The spelling of 2112221042102 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, forty-two thousand, one hundred two".