11012121110112 has 96 divisors (see below), whose sum is σ = 29205891036000. Its totient is φ = 3632907399168.

The previous prime is 11012121110101. The next prime is 11012121110141. The reversal of 11012121110112 is 21101112121011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11012121110112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012121110091 and 11012121110100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572564 + ... + 5351852.

It is an arithmetic number, because the mean of its divisors is an integer number (304228031625).

Almost surely, 2^{11012121110112} is an apocalyptic number.

11012121110112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11012121110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14602945518000).

11012121110112 is an abundant number, since it is smaller than the sum of its proper divisors (18193769925888).

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

11012121110112 is a wasteful number, since it uses less digits than its factorization.

11012121110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779728 (or 2779720 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11012121110112 its reverse (21101112121011), we get a palindrome (32113233231123).

The spelling of 11012121110112 in words is "eleven trillion, twelve billion, one hundred twenty-one million, one hundred ten thousand, one hundred twelve".