11211112202222 has 8 divisors (see below), whose sum is σ = 17805884085936. Its totient is φ = 5275817506912.

The previous prime is 11211112202219. The next prime is 11211112202263. The reversal of 11211112202222 is 22220221111211.

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

It is a super-2 number, since 2×11211112202222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211112202194 and 11211112202203.

It is a congruent number.

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, 164869297058 + ... + 164869297125.

It is an arithmetic number, because the mean of its divisors is an integer number (2225735510742).

Almost surely, 2^{11211112202222} is an apocalyptic number.

11211112202222 is a deficient number, since it is larger than the sum of its proper divisors (6594771883714).

11211112202222 is a wasteful number, since it uses less digits than its factorization.

11211112202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329738594202.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11211112202222 its reverse (22220221111211), we get a palindrome (33431333313433).

The spelling of 11211112202222 in words is "eleven trillion, two hundred eleven billion, one hundred twelve million, two hundred two thousand, two hundred twenty-two".