111020200100210 has 16 divisors (see below), whose sum is σ = 200131539454296. Its totient is φ = 44342484645888.

The previous prime is 111020200100189. The next prime is 111020200100219. The reversal of 111020200100210 is 12001002020111.

It can be written as a sum of positive squares in 4 ways, for example, as 105423753506449 + 5596446593761 = 10267607^2 + 2365681^2 .

It is a super-3 number, since 3×111020200100210³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111020200100191 and 111020200100200.

It is not an unprimeable number, because it can be changed into a prime (111020200100219) 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, 8199417167 + ... + 8199430706.

Almost surely, 2^{111020200100210} is an apocalyptic number.

111020200100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020200100210 is a deficient number, since it is larger than the sum of its proper divisors (89111339354086).

111020200100210 is a wasteful number, since it uses less digits than its factorization.

111020200100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16398848557.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111020200100210 its reverse (12001002020111), we get a palindrome (123021202120321).

The spelling of 111020200100210 in words is "one hundred eleven trillion, twenty billion, two hundred million, one hundred thousand, two hundred ten".