2121110222032 has 20 divisors (see below), whose sum is σ = 4109856006820. Its totient is φ = 1060502220288.

The previous prime is 2121110222017. The next prime is 2121110222039. The reversal of 2121110222032 is 2302220111212.

It can be written as a sum of positive squares in 2 ways, for example, as 170384026176 + 1950726195856 = 412776^2 + 1396684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121110222039) 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, 2973807 + ... + 3617422.

It is an arithmetic number, because the mean of its divisors is an integer number (205492800341).

Almost surely, 2^{2121110222032} is an apocalyptic number.

It is an amenable number.

2121110222032 is a deficient number, since it is larger than the sum of its proper divisors (1988745784788).

2121110222032 is a wasteful number, since it uses less digits than its factorization.

2121110222032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611350 (or 6611344 counting only the distinct ones).

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

Adding to 2121110222032 its reverse (2302220111212), we get a palindrome (4423330333244).

The spelling of 2121110222032 in words is "two trillion, one hundred twenty-one billion, one hundred ten million, two hundred twenty-two thousand, thirty-two".