111202232020 has 96 divisors (see below), whose sum is σ = 258539371776. Its totient is φ = 39837235200.

The previous prime is 111202231999. The next prime is 111202232101. The reversal of 111202232020 is 20232202111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111202231985 and 111202232003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34565452 + ... + 34568668.

It is an arithmetic number, because the mean of its divisors is an integer number (2693118456).

Almost surely, 2^111202232020 is an apocalyptic number.

111202232020 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 111202232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129269685888).

111202232020 is an abundant number, since it is smaller than the sum of its proper divisors (147337139756).

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

111202232020 is a wasteful number, since it uses less digits than its factorization.

111202232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521 (or 5519 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 111202232020 its reverse (20232202111), we get a palindrome (131434434131).

The spelling of 111202232020 in words is "one hundred eleven billion, two hundred two million, two hundred thirty-two thousand, twenty".