1202222022111 has 72 divisors (see below), whose sum is σ = 2055950856960. Its totient is φ = 674217704160.

The previous prime is 1202222022047. The next prime is 1202222022173. The reversal of 1202222022111 is 1112202222021.

It is a happy number.

It is not a de Polignac number, because 1202222022111 - 2⁶ = 1202222022047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202222022181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 214090 + ... + 1565336.

Almost surely, 2^{1202222022111} is an apocalyptic number.

1202222022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202222022111 is a deficient number, since it is larger than the sum of its proper divisors (853728834849).

1202222022111 is a wasteful number, since it uses less digits than its factorization.

1202222022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351337 (or 1351323 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1202222022111 its reverse (1112202222021), we get a palindrome (2314424244132).

The spelling of 1202222022111 in words is "one trillion, two hundred two billion, two hundred twenty-two million, twenty-two thousand, one hundred eleven".