20211233313112 has 16 divisors (see below), whose sum is σ = 37957883127840. Its totient is φ = 10089131145696.

The previous prime is 20211233313107. The next prime is 20211233313113. The reversal of 20211233313112 is 21131333211202.

It is a super-2 number, since 2×20211233313112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211233313113) 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, 2060683648 + ... + 2060693455.

It is an arithmetic number, because the mean of its divisors is an integer number (2372367695490).

Almost surely, 2^{20211233313112} is an apocalyptic number.

It is an amenable number.

20211233313112 is a deficient number, since it is larger than the sum of its proper divisors (17746649814728).

20211233313112 is a wasteful number, since it uses less digits than its factorization.

20211233313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121377722 (or 4121377718 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 20211233313112 its reverse (21131333211202), we get a palindrome (41342566524314).

The spelling of 20211233313112 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-three million, three hundred thirteen thousand, one hundred twelve".