1122100209947 has 2 divisors, whose sum is σ = 1122100209948. Its totient is φ = 1122100209946.

The previous prime is 1122100209943. The next prime is 1122100209983. The reversal of 1122100209947 is 7499020012211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122100209947 - 2² = 1122100209943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122100209947.

It is not a weakly prime, because it can be changed into another prime (1122100209941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561050104973 + 561050104974.

It is an arithmetic number, because the mean of its divisors is an integer number (561050104974).

Almost surely, 2^{1122100209947} is an apocalyptic number.

1122100209947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122100209947 is an equidigital number, since it uses as much as digits as its factorization.

1122100209947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 1122100209947 in words is "one trillion, one hundred twenty-two billion, one hundred million, two hundred nine thousand, nine hundred forty-seven".