1211001102196 has 12 divisors (see below), whose sum is σ = 2119390666848. Its totient is φ = 605460911672.

The previous prime is 1211001102151. The next prime is 1211001102197. The reversal of 1211001102196 is 6912011001121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211001102196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211001102197) 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 3 ways as a sum of consecutive naturals, for example, 9841066 + ... + 9963361.

It is an arithmetic number, because the mean of its divisors is an integer number (176615888904).

Almost surely, 2^{1211001102196} is an apocalyptic number.

It is an amenable number.

1211001102196 is a deficient number, since it is larger than the sum of its proper divisors (908389564652).

1211001102196 is a wasteful number, since it uses less digits than its factorization.

1211001102196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19819718 (or 19819716 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 1211001102196 in words is "one trillion, two hundred eleven billion, one million, one hundred two thousand, one hundred ninety-six".