11021000212222 has 192 divisors, whose sum is σ = 22886145878400. Its totient is φ = 3952231557120.

The previous prime is 11021000212139. The next prime is 11021000212273. The reversal of 11021000212222 is 22221200012011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11021000212196 and 11021000212205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 380900068 + ... + 380929000.

It is an arithmetic number, because the mean of its divisors is an integer number (119198676450).

Almost surely, 2^{11021000212222} is an apocalyptic number.

11021000212222 is an abundant number, since it is smaller than the sum of its proper divisors (11865145666178).

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

11021000212222 is a wasteful number, since it uses less digits than its factorization.

11021000212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29344 (or 29319 counting only the distinct ones).

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

Adding to 11021000212222 its reverse (22221200012011), we get a palindrome (33242200224233).

The spelling of 11021000212222 in words is "eleven trillion, twenty-one billion, two hundred twelve thousand, two hundred twenty-two".