20211113101112 has 8 divisors (see below), whose sum is σ = 37895837064600. Its totient is φ = 10105556550552.

The previous prime is 20211113101097. The next prime is 20211113101121. The reversal of 20211113101112 is 21110131111202.

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

It is a super-2 number, since 2×20211113101112² (a number of 27 digits) contains 22 as substring.

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, 1263194568812 + ... + 1263194568827.

It is an arithmetic number, because the mean of its divisors is an integer number (4736979633075).

Almost surely, 2^{20211113101112} is an apocalyptic number.

It is an amenable number.

20211113101112 is a deficient number, since it is larger than the sum of its proper divisors (17684723963488).

20211113101112 is a wasteful number, since it uses less digits than its factorization.

20211113101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526389137645 (or 2526389137641 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 20211113101112 its reverse (21110131111202), we get a palindrome (41321244212314).

The spelling of 20211113101112 in words is "twenty trillion, two hundred eleven billion, one hundred thirteen million, one hundred one thousand, one hundred twelve".