11201212112222 has 16 divisors (see below), whose sum is σ = 18329308013952. Its totient is φ = 5091445653720.

The previous prime is 11201212112183. The next prime is 11201212112323. The reversal of 11201212112222 is 22221121210211.

It is a junction number, because it is equal to n+sod(n) for n = 11201212112194 and 11201212112203.

It is a congruent number.

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, 13335503 + ... + 14150549.

It is an arithmetic number, because the mean of its divisors is an integer number (1145581750872).

Almost surely, 2^{11201212112222} is an apocalyptic number.

11201212112222 is a deficient number, since it is larger than the sum of its proper divisors (7128095901730).

11201212112222 is a wasteful number, since it uses less digits than its factorization.

11201212112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439743.

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

Adding to 11201212112222 its reverse (22221121210211), we get a palindrome (33422333322433).

The spelling of 11201212112222 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, two hundred twenty-two".