11100121100012 has 24 divisors (see below), whose sum is σ = 22229414702880. Its totient is φ = 4750943506560.

The previous prime is 11100121099999. The next prime is 11100121100039. The reversal of 11100121100012 is 21000112100111.

11100121100012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11100121100012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11100121099966 and 11100121100002.

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, 260447087 + ... + 260489702.

It is an arithmetic number, because the mean of its divisors is an integer number (926225612620).

Almost surely, 2^{11100121100012} is an apocalyptic number.

It is an amenable number.

11100121100012 is an abundant number, since it is smaller than the sum of its proper divisors (11129293602868).

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

11100121100012 is a wasteful number, since it uses less digits than its factorization.

11100121100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520937561 (or 520937559 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11100121100012 its reverse (21000112100111), we get a palindrome (32100233200123).

The spelling of 11100121100012 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, one hundred thousand, twelve".