11220021212202 has 192 divisors, whose sum is σ = 27391616778240. Its totient is φ = 3289342089600.

The previous prime is 11220021212159. The next prime is 11220021212269. The reversal of 11220021212202 is 20221212002211.

It is a happy number.

11220021212202 is a `hidden beast` number, since 11 + 220 + 0 + 21 + 212 + 202 = 666.

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

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, 2038888983 + ... + 2038894485.

It is an arithmetic number, because the mean of its divisors is an integer number (142664670720).

Almost surely, 2^{11220021212202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220021212202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13695808389120).

11220021212202 is an abundant number, since it is smaller than the sum of its proper divisors (16171595566038).

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

11220021212202 is a wasteful number, since it uses less digits than its factorization.

11220021212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089 (or 7086 counting only the distinct ones).

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

Adding to 11220021212202 its reverse (20221212002211), we get a palindrome (31441233214413).

The spelling of 11220021212202 in words is "eleven trillion, two hundred twenty billion, twenty-one million, two hundred twelve thousand, two hundred two".