1101201219947 has 2 divisors, whose sum is σ = 1101201219948. Its totient is φ = 1101201219946.

The previous prime is 1101201219919. The next prime is 1101201219991. The reversal of 1101201219947 is 7499121021011.

It is a weak prime.

It is an emirp because it is prime and its reverse (7499121021011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101201219947 - 2²⁴ = 1101184442731 is a prime.

It is a super-3 number, since 3×1101201219947³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1101201219947.

It is not a weakly prime, because it can be changed into another prime (1101201219247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550600609973 + 550600609974.

It is an arithmetic number, because the mean of its divisors is an integer number (550600609974).

Almost surely, 2^{1101201219947} is an apocalyptic number.

1101201219947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101201219947 is an equidigital number, since it uses as much as digits as its factorization.

1101201219947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 1101201219947 in words is "one trillion, one hundred one billion, two hundred one million, two hundred nineteen thousand, nine hundred forty-seven".