11212121000140 has 48 divisors (see below), whose sum is σ = 24998411555712. Its totient is φ = 4209532286976.

The previous prime is 11212121000107. The next prime is 11212121000141. The reversal of 11212121000140 is 4100012121211.

It is not an unprimeable number, because it can be changed into a prime (11212121000141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44802777 + ... + 45052336.

It is an arithmetic number, because the mean of its divisors is an integer number (520800240744).

Almost surely, 2^{11212121000140} is an apocalyptic number.

11212121000140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212121000140 is an abundant number, since it is smaller than the sum of its proper divisors (13786290555572).

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

11212121000140 is a wasteful number, since it uses less digits than its factorization.

11212121000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89855506 (or 89855504 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212121000140 its reverse (4100012121211), we get a palindrome (15312133121351).

The spelling of 11212121000140 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-one million, one hundred forty", and thus it is an aban number.