1820101911092 has 6 divisors (see below), whose sum is σ = 3185178344418. Its totient is φ = 910050955544.

The previous prime is 1820101911073. The next prime is 1820101911137. The reversal of 1820101911092 is 2901191010281.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1601652238096 + 218449672996 = 1265564^2 + 467386^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227512738883 + ... + 227512738890.

It is an arithmetic number, because the mean of its divisors is an integer number (530863057403).

Almost surely, 2^{1820101911092} is an apocalyptic number.

It is an amenable number.

1820101911092 is a deficient number, since it is larger than the sum of its proper divisors (1365076433326).

1820101911092 is a wasteful number, since it uses less digits than its factorization.

1820101911092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455025477777 (or 455025477775 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 1820101911092 in words is "one trillion, eight hundred twenty billion, one hundred one million, nine hundred eleven thousand, ninety-two".