11211100220010 has 128 divisors (see below), whose sum is σ = 29135332537344. Its totient is φ = 2750610170880.

The previous prime is 11211100220009. The next prime is 11211100220029. The reversal of 11211100220010 is 1002200111211.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3223989 + ... + 5728551.

It is an arithmetic number, because the mean of its divisors is an integer number (227619785448).

Almost surely, 2^{11211100220010} is an apocalyptic number.

11211100220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211100220010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14567666268672).

11211100220010 is an abundant number, since it is smaller than the sum of its proper divisors (17924232317334).

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

11211100220010 is a wasteful number, since it uses less digits than its factorization.

11211100220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504788.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11211100220010 its reverse (1002200111211), we get a palindrome (12213300331221).

The spelling of 11211100220010 in words is "eleven trillion, two hundred eleven billion, one hundred million, two hundred twenty thousand, ten".