1020112120101 has 16 divisors (see below), whose sum is σ = 1377442696320. Its totient is φ = 671465659200.

The previous prime is 1020112120031. The next prime is 1020112120121. The reversal of 1020112120101 is 1010212110201.

It is not a de Polignac number, because 1020112120101 - 2¹⁸ = 1020111857957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020112120121) 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, 4580230 + ... + 4797783.

It is an arithmetic number, because the mean of its divisors is an integer number (86090168520).

Almost surely, 2^{1020112120101} is an apocalyptic number.

It is an amenable number.

1020112120101 is a deficient number, since it is larger than the sum of its proper divisors (357330576219).

1020112120101 is a wasteful number, since it uses less digits than its factorization.

1020112120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378476.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020112120101 its reverse (1010212110201), we get a palindrome (2030324230302).

The spelling of 1020112120101 in words is "one trillion, twenty billion, one hundred twelve million, one hundred twenty thousand, one hundred one".