1020211011992 has 32 divisors (see below), whose sum is σ = 1925312094720. Its totient is φ = 506797508640.

The previous prime is 1020211011959. The next prime is 1020211012021. The reversal of 1020211011992 is 2991101120201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2496833 + ... + 2876559.

It is an arithmetic number, because the mean of its divisors is an integer number (60166002960).

Almost surely, 2^{1020211011992} is an apocalyptic number.

It is an amenable number.

1020211011992 is a deficient number, since it is larger than the sum of its proper divisors (905101082728).

1020211011992 is a wasteful number, since it uses less digits than its factorization.

1020211011992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381911 (or 381907 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1020211011992 in words is "one trillion, twenty billion, two hundred eleven million, eleven thousand, nine hundred ninety-two".