11220121111202 has 4 divisors (see below), whose sum is σ = 16830181666806. Its totient is φ = 5610060555600.

The previous prime is 11220121111201. The next prime is 11220121111231. The reversal of 11220121111202 is 20211112102211.

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., 10266570814201 + 953550297001 = 3204149^2 + 976499^2 .

It is a super-2 number, since 2×11220121111202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11220121111201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805030277799 + ... + 2805030277802.

Almost surely, 2^{11220121111202} is an apocalyptic number.

11220121111202 is a deficient number, since it is larger than the sum of its proper divisors (5610060555604).

11220121111202 is an equidigital number, since it uses as much as digits as its factorization.

11220121111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610060555603.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11220121111202 its reverse (20211112102211), we get a palindrome (31431233213413).

The spelling of 11220121111202 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, two hundred two".