111221000101002 has 32 divisors (see below), whose sum is σ = 245066614098624. Its totient is φ = 33369636992000.

The previous prime is 111221000100997. The next prime is 111221000101063. The reversal of 111221000101002 is 200101000122111.

It is a super-2 number, since 2×111221000101002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8342402583 + ... + 8342415914.

It is an arithmetic number, because the mean of its divisors is an integer number (7658331690582).

Almost surely, 2^{111221000101002} is an apocalyptic number.

111221000101002 is an abundant number, since it is smaller than the sum of its proper divisors (133845613997622).

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

111221000101002 is a wasteful number, since it uses less digits than its factorization.

111221000101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16684818614.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111221000101002 its reverse (200101000122111), we get a palindrome (311322000223113).

The spelling of 111221000101002 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred one thousand, two".