11121201222202 has 16 divisors (see below), whose sum is σ = 16690374555624. Its totient is φ = 5557743360000.

The previous prime is 11121201222163. The next prime is 11121201222217. The reversal of 11121201222202 is 20222210212111.

It can be written as a sum of positive squares in 4 ways, for example, as 11071584105201 + 49617117001 = 3327399^2 + 222749^2 .

It is a super-2 number, since 2×11121201222202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11121201222202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78468202 + ... + 78609802.

Almost surely, 2^{11121201222202} is an apocalyptic number.

11121201222202 is a deficient number, since it is larger than the sum of its proper divisors (5569173333422).

11121201222202 is a wasteful number, since it uses less digits than its factorization.

11121201222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161505.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11121201222202 its reverse (20222210212111), we get a palindrome (31343411434313).

The spelling of 11121201222202 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred two".