20101210201112 has 16 divisors (see below), whose sum is σ = 37733954097840. Its totient is φ = 10038822441696.

The previous prime is 20101210201057. The next prime is 20101210201117. The reversal of 20101210201112 is 21110201210102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101210201117) 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, 1472825108 + ... + 1472838755.

It is an arithmetic number, because the mean of its divisors is an integer number (2358372131115).

Almost surely, 2^{20101210201112} is an apocalyptic number.

It is an amenable number.

20101210201112 is a deficient number, since it is larger than the sum of its proper divisors (17632743896728).

20101210201112 is a wasteful number, since it uses less digits than its factorization.

20101210201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945664722 (or 2945664718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20101210201112 its reverse (21110201210102), we get a palindrome (41211411411214).

The spelling of 20101210201112 in words is "twenty trillion, one hundred one billion, two hundred ten million, two hundred one thousand, one hundred twelve".