1101772740421 has 16 divisors (see below), whose sum is σ = 1181905619328. Its totient is φ = 1024381512000.

The previous prime is 1101772740407. The next prime is 1101772740521. The reversal of 1101772740421 is 1240472771011.

It is a cyclic number.

It is not a de Polignac number, because 1101772740421 - 2⁹ = 1101772739909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101772740521) 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, 234846 + ... + 1502896.

It is an arithmetic number, because the mean of its divisors is an integer number (73869101208).

Almost surely, 2^{1101772740421} is an apocalyptic number.

It is an amenable number.

1101772740421 is a deficient number, since it is larger than the sum of its proper divisors (80132878907).

1101772740421 is a wasteful number, since it uses less digits than its factorization.

1101772740421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269132.

The product of its (nonzero) digits is 21952, while the sum is 37.

The spelling of 1101772740421 in words is "one trillion, one hundred one billion, seven hundred seventy-two million, seven hundred forty thousand, four hundred twenty-one".