111201010201210 has 8 divisors (see below), whose sum is σ = 200161818362196. Its totient is φ = 44480404080480.

The previous prime is 111201010201117. The next prime is 111201010201219. The reversal of 111201010201210 is 12102010102111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107649319425561 + 3551690775649 = 10375419^2 + 1884593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111201010201210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111201010201219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560050510051 + ... + 5560050510070.

Almost surely, 2^{111201010201210} is an apocalyptic number.

111201010201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111201010201210 is a deficient number, since it is larger than the sum of its proper divisors (88960808160986).

111201010201210 is a wasteful number, since it uses less digits than its factorization.

111201010201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120101020128.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111201010201210 its reverse (12102010102111), we get a palindrome (123303020303321).

Subtracting from 111201010201210 its reverse (12102010102111), we obtain a palindrome (99099000099099).

The spelling of 111201010201210 in words is "one hundred eleven trillion, two hundred one billion, ten million, two hundred one thousand, two hundred ten".