1021668094941 has 32 divisors (see below), whose sum is σ = 1479533637120. Its totient is φ = 623374617600.

The previous prime is 1021668094907. The next prime is 1021668094969. The reversal of 1021668094941 is 1494908661201.

It is not a de Polignac number, because 1021668094941 - 2⁹ = 1021668094429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021668094901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1915036 + ... + 2389706.

It is an arithmetic number, because the mean of its divisors is an integer number (46235426160).

Almost surely, 2^{1021668094941} is an apocalyptic number.

It is an amenable number.

1021668094941 is a deficient number, since it is larger than the sum of its proper divisors (457865542179).

1021668094941 is a wasteful number, since it uses less digits than its factorization.

1021668094941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475157.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 1021668094941 in words is "one trillion, twenty-one billion, six hundred sixty-eight million, ninety-four thousand, nine hundred forty-one".