111102010021002 has 128 divisors (see below), whose sum is σ = 299681727528960. Its totient is φ = 26518392023040.

The previous prime is 111102010020997. The next prime is 111102010021003. The reversal of 111102010021002 is 200120010201111.

It is not an unprimeable number, because it can be changed into a prime (111102010021003) 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, 40137127 + ... + 42815802.

It is an arithmetic number, because the mean of its divisors is an integer number (2341263496320).

Almost surely, 2^{111102010021002} is an apocalyptic number.

111102010021002 is an abundant number, since it is smaller than the sum of its proper divisors (188579717507958).

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

111102010021002 is a wasteful number, since it uses less digits than its factorization.

111102010021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82953188.

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

Adding to 111102010021002 its reverse (200120010201111), we get a palindrome (311222020222113).

The spelling of 111102010021002 in words is "one hundred eleven trillion, one hundred two billion, ten million, twenty-one thousand, two".