1101849301821 has 16 divisors (see below), whose sum is σ = 1577461143168. Its totient is φ = 681619008000.

The previous prime is 1101849301799. The next prime is 1101849301879. The reversal of 1101849301821 is 1281039481011.

It is not a de Polignac number, because 1101849301821 - 2¹¹ = 1101849299773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101849301821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101849306821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152143480 + ... + 152150721.

It is an arithmetic number, because the mean of its divisors is an integer number (98591321448).

Almost surely, 2^{1101849301821} is an apocalyptic number.

It is an amenable number.

1101849301821 is a deficient number, since it is larger than the sum of its proper divisors (475611841347).

1101849301821 is a wasteful number, since it uses less digits than its factorization.

1101849301821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304294292.

The product of its (nonzero) digits is 13824, while the sum is 39.

The spelling of 1101849301821 in words is "one trillion, one hundred one billion, eight hundred forty-nine million, three hundred one thousand, eight hundred twenty-one".