111021202010010 has 128 divisors (see below), whose sum is σ = 281184199994880. Its totient is φ = 28015417737216.

The previous prime is 111021202009997. The next prime is 111021202010041. The reversal of 111021202010010 is 10010202120111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2305894 + ... + 15078446.

It is an arithmetic number, because the mean of its divisors is an integer number (2196751562460).

Almost surely, 2^{111021202010010} is an apocalyptic number.

111021202010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111021202010010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140592099997440).

111021202010010 is an abundant number, since it is smaller than the sum of its proper divisors (170162997984870).

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

111021202010010 is a wasteful number, since it uses less digits than its factorization.

111021202010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772792.

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

Adding to 111021202010010 its reverse (10010202120111), we get a palindrome (121031404130121).

The spelling of 111021202010010 in words is "one hundred eleven trillion, twenty-one billion, two hundred two million, ten thousand, ten".