11220202221012 has 72 divisors (see below), whose sum is σ = 29129694048000. Its totient is φ = 3638863217088.

The previous prime is 11220202220989. The next prime is 11220202221029. The reversal of 11220202221012 is 21012220202211.

It is a happy number.

11220202221012 is a `hidden beast` number, since 11 + 220 + 202 + 221 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45376489 + ... + 45623087.

It is an arithmetic number, because the mean of its divisors is an integer number (404579084000).

Almost surely, 2^{11220202221012} is an apocalyptic number.

11220202221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220202221012 is an abundant number, since it is smaller than the sum of its proper divisors (17909491826988).

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

11220202221012 is a wasteful number, since it uses less digits than its factorization.

11220202221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280805 (or 280800 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11220202221012 its reverse (21012220202211), we get a palindrome (32232422423223).

The spelling of 11220202221012 in words is "eleven trillion, two hundred twenty billion, two hundred two million, two hundred twenty-one thousand, twelve".