22102121121112 has 8 divisors (see below), whose sum is σ = 41441477102100. Its totient is φ = 11051060560552.

The previous prime is 22102121121103. The next prime is 22102121121133. The reversal of 22102121121112 is 21112112120122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22102121121112.

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, 1381382570062 + ... + 1381382570077.

Almost surely, 2^{22102121121112} is an apocalyptic number.

It is an amenable number.

22102121121112 is a deficient number, since it is larger than the sum of its proper divisors (19339355980988).

22102121121112 is a wasteful number, since it uses less digits than its factorization.

22102121121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762765140145 (or 2762765140141 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22102121121112 its reverse (21112112120122), we get a palindrome (43214233241234).

The spelling of 22102121121112 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".