101121112021111 has 32 divisors (see below), whose sum is σ = 126302967318528. Its totient is φ = 78828947003520.

The previous prime is 101121112021103. The next prime is 101121112021147. The reversal of 101121112021111 is 111120211121101.

It is not a de Polignac number, because 101121112021111 - 2³ = 101121112021103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121112121111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25535635 + ... + 29228596.

It is an arithmetic number, because the mean of its divisors is an integer number (3946967728704).

Almost surely, 2^{101121112021111} is an apocalyptic number.

101121112021111 is a deficient number, since it is larger than the sum of its proper divisors (25181855297417).

101121112021111 is a wasteful number, since it uses less digits than its factorization.

101121112021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54764551.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 101121112021111 its reverse (111120211121101), we get a palindrome (212241323142212).

The spelling of 101121112021111 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred twelve million, twenty-one thousand, one hundred eleven".