2120210121112 has 16 divisors (see below), whose sum is σ = 4148237193840. Its totient is φ = 1014013536096.

The previous prime is 2120210121103. The next prime is 2120210121119. The reversal of 2120210121112 is 2111210120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210121119) 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, 5761440363 + ... + 5761440730.

It is an arithmetic number, because the mean of its divisors is an integer number (259264824615).

Almost surely, 2^{2120210121112} is an apocalyptic number.

It is an amenable number.

2120210121112 is a deficient number, since it is larger than the sum of its proper divisors (2028027072728).

2120210121112 is a wasteful number, since it uses less digits than its factorization.

2120210121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522881122 (or 11522881118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2120210121112 its reverse (2111210120212), we get a palindrome (4231420241324).

The spelling of 2120210121112 in words is "two trillion, one hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, one hundred twelve".