1202111222158 has 32 divisors (see below), whose sum is σ = 2295936119808. Its totient is φ = 458390018400.

The previous prime is 1202111222149. The next prime is 1202111222159. The reversal of 1202111222158 is 8512221112021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202111222159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83034433 + ... + 83048908.

It is an arithmetic number, because the mean of its divisors is an integer number (71748003744).

Almost surely, 2^{1202111222158} is an apocalyptic number.

1202111222158 is a deficient number, since it is larger than the sum of its proper divisors (1093824897650).

1202111222158 is a wasteful number, since it uses less digits than its factorization.

1202111222158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166083408.

The product of its (nonzero) digits is 1280, while the sum is 28.

Adding to 1202111222158 its reverse (8512221112021), we get a palindrome (9714332334179).

The spelling of 1202111222158 in words is "one trillion, two hundred two billion, one hundred eleven million, two hundred twenty-two thousand, one hundred fifty-eight".