10111121111020 has 24 divisors (see below), whose sum is σ = 22482375177024. Its totient is φ = 3806539712256.

The previous prime is 10111121111011. The next prime is 10111121111041. The reversal of 10111121111020 is 2011112111101.

10111121111020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14869295412 + ... + 14869296091.

It is an arithmetic number, because the mean of its divisors is an integer number (936765632376).

Almost surely, 2^{10111121111020} is an apocalyptic number.

10111121111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111121111020 is an abundant number, since it is smaller than the sum of its proper divisors (12371254066004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111121111020 is a wasteful number, since it uses less digits than its factorization.

10111121111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29738591529 (or 29738591527 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10111121111020 its reverse (2011112111101), we get a palindrome (12122233222121).

The spelling of 10111121111020 in words is "ten trillion, one hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, twenty".