1202212202111 has 4 divisors (see below), whose sum is σ = 1202301513072. Its totient is φ = 1202122891152.

The previous prime is 1202212202039. The next prime is 1202212202131. The reversal of 1202212202111 is 1112022122021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1202212202111 - 2³⁴ = 1185032332927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202212202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202212202131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44635286 + ... + 44662211.

It is an arithmetic number, because the mean of its divisors is an integer number (300575378268).

Almost surely, 2^{1202212202111} is an apocalyptic number.

1202212202111 is a deficient number, since it is larger than the sum of its proper divisors (89310961).

1202212202111 is an equidigital number, since it uses as much as digits as its factorization.

1202212202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89310960.

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

Adding to 1202212202111 its reverse (1112022122021), we get a palindrome (2314234324132).

It can be divided in two parts, 12022122021 and 11, that multiplied together give a palindrome (132243342231).

The spelling of 1202212202111 in words is "one trillion, two hundred two billion, two hundred twelve million, two hundred two thousand, one hundred eleven".