1020112021195 has 4 divisors (see below), whose sum is σ = 1224134425440. Its totient is φ = 816089616952.

The previous prime is 1020112021151. The next prime is 1020112021249. The reversal of 1020112021195 is 5911202110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020112021195 - 2¹⁹ = 1020111496907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102011202115 + ... + 102011202124.

It is an arithmetic number, because the mean of its divisors is an integer number (306033606360).

Almost surely, 2^{1020112021195} is an apocalyptic number.

1020112021195 is a deficient number, since it is larger than the sum of its proper divisors (204022404245).

1020112021195 is an equidigital number, since it uses as much as digits as its factorization.

1020112021195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204022404244.

The product of its (nonzero) digits is 360, while the sum is 25.

Adding to 1020112021195 its reverse (5911202110201), we get a palindrome (6931314131396).

The spelling of 1020112021195 in words is "one trillion, twenty billion, one hundred twelve million, twenty-one thousand, one hundred ninety-five".