1121210221202 has 8 divisors (see below), whose sum is σ = 1713547696716. Its totient is φ = 550027655632.

The previous prime is 1121210221177. The next prime is 1121210221207. The reversal of 1121210221202 is 2021220121211.

It can be written as a sum of positive squares in 2 ways, for example, as 932497304281 + 188712916921 = 965659^2 + 434411^2 .

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

It is a super-2 number, since 2×1121210221202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121210221207) 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, 5288727353 + ... + 5288727564.

Almost surely, 2^{1121210221202} is an apocalyptic number.

1121210221202 is a deficient number, since it is larger than the sum of its proper divisors (592337475514).

1121210221202 is a wasteful number, since it uses less digits than its factorization.

1121210221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577454972.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121210221202 its reverse (2021220121211), we get a palindrome (3142430342413).

Subtracting 1121210221202 from its reverse (2021220121211), we obtain a palindrome (900009900009).

The spelling of 1121210221202 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-one thousand, two hundred two".