11110100121021 has 32 divisors (see below), whose sum is σ = 16171488028800. Its totient is φ = 6728669395200.

The previous prime is 11110100121007. The next prime is 11110100121023. The reversal of 11110100121021 is 12012100101111.

11110100121021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11110100121021 - 2²⁷ = 11109965903293 is a prime.

It is a super-3 number, since 3×11110100121021³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11110100120988 and 11110100121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110100121023) 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, 428402571 + ... + 428428503.

It is an arithmetic number, because the mean of its divisors is an integer number (505359000900).

Almost surely, 2^{11110100121021} is an apocalyptic number.

11110100121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11110100121021 is a deficient number, since it is larger than the sum of its proper divisors (5061387907779).

11110100121021 is a wasteful number, since it uses less digits than its factorization.

11110100121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34557.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11110100121021 its reverse (12012100101111), we get a palindrome (23122200222132).

The spelling of 11110100121021 in words is "eleven trillion, one hundred ten billion, one hundred million, one hundred twenty-one thousand, twenty-one".