1202122120011 has 16 divisors (see below), whose sum is σ = 1697176623744. Its totient is φ = 754244683904.

The previous prime is 1202122120007. The next prime is 1202122120081. The reversal of 1202122120011 is 1100212212021.

It is a cyclic number.

It is not a de Polignac number, because 1202122120011 - 2² = 1202122120007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202122120081) 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 15 ways as a sum of consecutive naturals, for example, 994060 + ... + 1841846.

It is an arithmetic number, because the mean of its divisors is an integer number (106073538984).

Almost surely, 2^{1202122120011} is an apocalyptic number.

1202122120011 is a deficient number, since it is larger than the sum of its proper divisors (495054503733).

1202122120011 is a wasteful number, since it uses less digits than its factorization.

1202122120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875610.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202122120011 its reverse (1100212212021), we get a palindrome (2302334332032).

The spelling of 1202122120011 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty thousand, eleven".