11012001220220 has 576 divisors, whose sum is σ = 33498845170560. Its totient is φ = 2978699673600.

The previous prime is 11012001220123. The next prime is 11012001220243. The reversal of 11012001220220 is 2202210021011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11012001220195 and 11012001220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2927943140 + ... + 2927946900.

It is an arithmetic number, because the mean of its divisors is an integer number (58157717310).

Almost surely, 2^{11012001220220} is an apocalyptic number.

11012001220220 is a gapful number since it is divisible by the number (10) 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 11012001220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16749422585280).

11012001220220 is an abundant number, since it is smaller than the sum of its proper divisors (22486843950340).

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

11012001220220 is a wasteful number, since it uses less digits than its factorization.

11012001220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054 (or 5045 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11012001220220 its reverse (2202210021011), we get a palindrome (13214211241231).

The spelling of 11012001220220 in words is "eleven trillion, twelve billion, one million, two hundred twenty thousand, two hundred twenty".