1101220192 has 48 divisors (see below), whose sum is σ = 2243106432. Its totient is φ = 531624960.

The previous prime is 1101220171. The next prime is 1101220193. The reversal of 1101220192 is 2910221011.

It is a happy number.

It is a super-3 number, since 3×1101220192³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551548 + ... + 553540.

It is an arithmetic number, because the mean of its divisors is an integer number (46731384).

Almost surely, 2^1101220192 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 1101220192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121553216).

1101220192 is an abundant number, since it is smaller than the sum of its proper divisors (1141886240).

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

1101220192 is a wasteful number, since it uses less digits than its factorization.

1101220192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591 (or 2583 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1101220192 is about 33184.6378916510. The cubic root of 1101220192 is about 1032.6616653016.

The spelling of 1101220192 in words is "one billion, one hundred one million, two hundred twenty thousand, one hundred ninety-two".