1202212212111 has 6 divisors (see below), whose sum is σ = 1736528750840. Its totient is φ = 801474808068.

The previous prime is 1202212212037. The next prime is 1202212212203. The reversal of 1202212212111 is 1112122122021.

1202212212111 is a `hidden beast` number, since 12 + 0 + 221 + 221 + 211 + 1 = 666.

It is not a de Polignac number, because 1202212212111 - 2³¹ = 1200064728463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202212282111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66789567331 + ... + 66789567348.

Almost surely, 2^{1202212212111} is an apocalyptic number.

1202212212111 is a deficient number, since it is larger than the sum of its proper divisors (534316538729).

1202212212111 is a wasteful number, since it uses less digits than its factorization.

1202212212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133579134685 (or 133579134682 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1202212212111 its reverse (1112122122021), we get a palindrome (2314334334132).

It can be divided in two parts, 120221 and 2212111, that added together give a palindrome (2332332).

The spelling of 1202212212111 in words is "one trillion, two hundred two billion, two hundred twelve million, two hundred twelve thousand, one hundred eleven".