111221303101002 has 48 divisors (see below), whose sum is σ = 244054847474568. Its totient is φ = 36602715494400.

The previous prime is 111221303100959. The next prime is 111221303101003. The reversal of 111221303101002 is 200101303122111.

111221303101002 is a `hidden beast` number, since 1 + 1 + 1 + 221 + 30 + 310 + 100 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 110632552276401 + 588750824601 = 10518201^2 + 767301^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111221303101003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86012403 + ... + 87295910.

Almost surely, 2^{111221303101002} is an apocalyptic number.

111221303101002 is an abundant number, since it is smaller than the sum of its proper divisors (132833544373566).

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

111221303101002 is a wasteful number, since it uses less digits than its factorization.

111221303101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173308775 (or 173308772 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111221303101002 its reverse (200101303122111), we get a palindrome (311322606223113).

The spelling of 111221303101002 in words is "one hundred eleven trillion, two hundred twenty-one billion, three hundred three million, one hundred one thousand, two".