10121101110 has 48 divisors (see below), whose sum is σ = 26560821456. Its totient is φ = 2673733824.

The previous prime is 10121101073. The next prime is 10121101121. The reversal of 10121101110 is 1110112101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10121101092 and 10121101101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515869 + ... + 535128.

It is an arithmetic number, because the mean of its divisors is an integer number (553350447).

Almost surely, 2^10121101110 is an apocalyptic number.

10121101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121101110 is an abundant number, since it is smaller than the sum of its proper divisors (16439720346).

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

10121101110 is a wasteful number, since it uses less digits than its factorization.

10121101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051117 (or 1051114 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10121101110 its reverse (1110112101), we get a palindrome (11231213211).

The spelling of 10121101110 in words is "ten billion, one hundred twenty-one million, one hundred one thousand, one hundred ten".