111133313220 has 192 divisors, whose sum is σ = 323802097920. Its totient is φ = 28455763968.

The previous prime is 111133313149. The next prime is 111133313227. The reversal of 111133313220 is 22313331111.

It is a happy number.

It is a super-2 number, since 2×111133313220² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111133313227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122528007 + ... + 122528913.

It is an arithmetic number, because the mean of its divisors is an integer number (1686469260).

Almost surely, 2^111133313220 is an apocalyptic number.

111133313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111133313220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161901048960).

111133313220 is an abundant number, since it is smaller than the sum of its proper divisors (212668784700).

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

111133313220 is a wasteful number, since it uses less digits than its factorization.

111133313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111133313220 its reverse (22313331111), we get a palindrome (133446644331).

It can be divided in two parts, 111 and 133313220, that added together give a palindrome (133313331).

The spelling of 111133313220 in words is "one hundred eleven billion, one hundred thirty-three million, three hundred thirteen thousand, two hundred twenty".