11212121022202 has 8 divisors (see below), whose sum is σ = 16818404838912. Its totient is φ = 5605986075900.

The previous prime is 11212121022133. The next prime is 11212121022229. The reversal of 11212121022202 is 20222012121211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11212121022202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37029124 + ... + 37330687.

It is an arithmetic number, because the mean of its divisors is an integer number (2102300604864).

Almost surely, 2^{11212121022202} is an apocalyptic number.

11212121022202 is a deficient number, since it is larger than the sum of its proper divisors (5606283816710).

11212121022202 is an equidigital number, since it uses as much as digits as its factorization.

11212121022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74435204.

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

Adding to 11212121022202 its reverse (20222012121211), we get a palindrome (31434133143413).

The spelling of 11212121022202 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-one million, twenty-two thousand, two hundred two".