1021110020192 has 12 divisors (see below), whose sum is σ = 2010310352316. Its totient is φ = 510555010080.

The previous prime is 1021110020191. The next prime is 1021110020209. The reversal of 1021110020192 is 2910200111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021110020191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15954844034 + ... + 15954844097.

It is an arithmetic number, because the mean of its divisors is an integer number (167525862693).

Almost surely, 2^{1021110020192} is an apocalyptic number.

It is an amenable number.

1021110020192 is a deficient number, since it is larger than the sum of its proper divisors (989200332124).

1021110020192 is an equidigital number, since it uses as much as digits as its factorization.

1021110020192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31909688141 (or 31909688133 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1021110020192 its reverse (2910200111201), we get a palindrome (3931310131393).

The spelling of 1021110020192 in words is "one trillion, twenty-one billion, one hundred ten million, twenty thousand, one hundred ninety-two".