1101222020212 has 6 divisors (see below), whose sum is σ = 1927138535378. Its totient is φ = 550611010104.

The previous prime is 1101222020209. The next prime is 1101222020257. The reversal of 1101222020212 is 2120202221011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1094438191716 + 6783828496 = 1046154^2 + 82364^2 .

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, 137652752523 + ... + 137652752530.

Almost surely, 2^{1101222020212} is an apocalyptic number.

It is an amenable number.

1101222020212 is a deficient number, since it is larger than the sum of its proper divisors (825916515166).

1101222020212 is a wasteful number, since it uses less digits than its factorization.

1101222020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275305505057 (or 275305505055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1101222020212 its reverse (2120202221011), we get a palindrome (3221424241223).

The spelling of 1101222020212 in words is "one trillion, one hundred one billion, two hundred twenty-two million, twenty thousand, two hundred twelve".