111011200020010 has 16 divisors (see below), whose sum is σ = 200386222818696. Its totient is φ = 44278688278528.

The previous prime is 111011200019989. The next prime is 111011200020011. The reversal of 111011200020010 is 10020002110111.

It can be written as a sum of positive squares in 4 ways, for example, as 105852182825601 + 5159017194409 = 10288449^2 + 2271347^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (111011200020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15723962479 + ... + 15723969538.

Almost surely, 2^{111011200020010} is an apocalyptic number.

111011200020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111011200020010 is a deficient number, since it is larger than the sum of its proper divisors (89375022798686).

111011200020010 is a wasteful number, since it uses less digits than its factorization.

111011200020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31447932377.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111011200020010 its reverse (10020002110111), we get a palindrome (121031202130121).

The spelling of 111011200020010 in words is "one hundred eleven trillion, eleven billion, two hundred million, twenty thousand, ten".