11221020220112 has 40 divisors (see below), whose sum is σ = 22573397591040. Its totient is φ = 5397055090560.

The previous prime is 11221020220103. The next prime is 11221020220121. The reversal of 11221020220112 is 21102202012211.

It is an interprime number because it is at equal distance from previous prime (11221020220103) and next prime (11221020220121).

It is a super-2 number, since 2×11221020220112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44492768 + ... + 44744255.

It is an arithmetic number, because the mean of its divisors is an integer number (564334939776).

Almost surely, 2^{11221020220112} is an apocalyptic number.

It is an amenable number.

11221020220112 is an abundant number, since it is smaller than the sum of its proper divisors (11352377370928).

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

11221020220112 is a wasteful number, since it uses less digits than its factorization.

11221020220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89237331 (or 89237325 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11221020220112 its reverse (21102202012211), we get a palindrome (32323222232323).

The spelling of 11221020220112 in words is "eleven trillion, two hundred twenty-one billion, twenty million, two hundred twenty thousand, one hundred twelve".