11100222012212 has 6 divisors (see below), whose sum is σ = 19425388521378. Its totient is φ = 5550111006104.

The previous prime is 11100222012197. The next prime is 11100222012223. The reversal of 11100222012212 is 21221022200111.

It can be written as a sum of positive squares in only one way, i.e., 8810187494416 + 2290034517796 = 2968196^2 + 1513286^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387527751523 + ... + 1387527751530.

It is an arithmetic number, because the mean of its divisors is an integer number (3237564753563).

Almost surely, 2^{11100222012212} is an apocalyptic number.

It is an amenable number.

11100222012212 is a deficient number, since it is larger than the sum of its proper divisors (8325166509166).

11100222012212 is a wasteful number, since it uses less digits than its factorization.

11100222012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775055503057 (or 2775055503055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11100222012212 its reverse (21221022200111), we get a palindrome (32321244212323).

The spelling of 11100222012212 in words is "eleven trillion, one hundred billion, two hundred twenty-two million, twelve thousand, two hundred twelve".