111201010102202 has 4 divisors (see below), whose sum is σ = 166801515153306. Its totient is φ = 55600505051100.

The previous prime is 111201010102201. The next prime is 111201010102219. The reversal of 111201010102202 is 202201010102111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108210154612921 + 2990855489281 = 10402411^2 + 1729409^2 .

It is not an unprimeable number, because it can be changed into a prime (111201010102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800252525549 + ... + 27800252525552.

Almost surely, 2^{111201010102202} is an apocalyptic number.

111201010102202 is a deficient number, since it is larger than the sum of its proper divisors (55600505051104).

111201010102202 is an equidigital number, since it uses as much as digits as its factorization.

111201010102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55600505051103.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111201010102202 its reverse (202201010102111), we get a palindrome (313402020204313).

Subtracting 111201010102202 from its reverse (202201010102111), we obtain a palindrome (90999999999909).

The spelling of 111201010102202 in words is "one hundred eleven trillion, two hundred one billion, ten million, one hundred two thousand, two hundred two".