11220001122040 has 32 divisors (see below), whose sum is σ = 25245105984000. Its totient is φ = 4487982056064.

The previous prime is 11220001122019. The next prime is 11220001122041. The reversal of 11220001122040 is 4022110002211.

11220001122040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220001122041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13659721 + ... + 14457799.

It is an arithmetic number, because the mean of its divisors is an integer number (788909562000).

Almost surely, 2^{11220001122040} is an apocalyptic number.

11220001122040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220001122040 is an abundant number, since it is smaller than the sum of its proper divisors (14025104861960).

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

11220001122040 is a wasteful number, since it uses less digits than its factorization.

11220001122040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149559 (or 1149555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220001122040 its reverse (4022110002211), we get a palindrome (15242111124251).

The spelling of 11220001122040 in words is "eleven trillion, two hundred twenty billion, one million, one hundred twenty-two thousand, forty".