1202102120011 has 16 divisors (see below), whose sum is σ = 1295572089280. Its totient is φ = 1108775485440.

The previous prime is 1202102119993. The next prime is 1202102120083. The reversal of 1202102120011 is 1100212012021.

It is a cyclic number.

It is not a de Polignac number, because 1202102120011 - 2¹¹ = 1202102117963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202102119973 and 1202102120000.

It is not an unprimeable number, because it can be changed into a prime (1202102120311) 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, 114339091 + ... + 114349603.

It is an arithmetic number, because the mean of its divisors is an integer number (80973255580).

Almost surely, 2^{1202102120011} is an apocalyptic number.

1202102120011 is a deficient number, since it is larger than the sum of its proper divisors (93469969269).

1202102120011 is a wasteful number, since it uses less digits than its factorization.

1202102120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202102120011 its reverse (1100212012021), we get a palindrome (2302314132032).

The spelling of 1202102120011 in words is "one trillion, two hundred two billion, one hundred two million, one hundred twenty thousand, eleven".