11021000202212 has 144 divisors (see below), whose sum is σ = 26643315105792. Its totient is φ = 3871419027840.

The previous prime is 11021000202181. The next prime is 11021000202217. The reversal of 11021000202212 is 21220200012011.

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

It is not an unprimeable number, because it can be changed into a prime (11021000202217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223748 + ... + 4700219.

It is an arithmetic number, because the mean of its divisors is an integer number (185023021568).

Almost surely, 2^{11021000202212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021000202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13321657552896).

11021000202212 is an abundant number, since it is smaller than the sum of its proper divisors (15622314903580).

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

11021000202212 is a wasteful number, since it uses less digits than its factorization.

11021000202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924058 (or 4924043 counting only the distinct ones).

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

Adding to 11021000202212 its reverse (21220200012011), we get a palindrome (32241200214223).

The spelling of 11021000202212 in words is "eleven trillion, twenty-one billion, two hundred two thousand, two hundred twelve".