1011226466161 has 16 divisors (see below), whose sum is σ = 1025154028800. Its totient is φ = 997393824000.

The previous prime is 1011226466149. The next prime is 1011226466167. The reversal of 1011226466161 is 1616646221101.

It is a cyclic number.

It is not a de Polignac number, because 1011226466161 - 2⁹ = 1011226465649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011226466161.

It is not an unprimeable number, because it can be changed into a prime (1011226466167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21437560 + ... + 21484678.

It is an arithmetic number, because the mean of its divisors is an integer number (64072126800).

Almost surely, 2^{1011226466161} is an apocalyptic number.

It is an amenable number.

1011226466161 is a deficient number, since it is larger than the sum of its proper divisors (13927562639).

1011226466161 is a wasteful number, since it uses less digits than its factorization.

1011226466161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48120.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 1011226466161 in words is "one trillion, eleven billion, two hundred twenty-six million, four hundred sixty-six thousand, one hundred sixty-one".