10020012021105 has 32 divisors (see below), whose sum is σ = 16044779673216. Its totient is φ = 5339753685504.

The previous prime is 10020012021101. The next prime is 10020012021137. The reversal of 10020012021105 is 50112021002001.

It is not a de Polignac number, because 10020012021105 - 2² = 10020012021101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10020012021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330427474 + ... + 330457796.

It is an arithmetic number, because the mean of its divisors is an integer number (501399364788).

Almost surely, 2^{10020012021105} is an apocalyptic number.

10020012021105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10020012021105 is a deficient number, since it is larger than the sum of its proper divisors (6024767652111).

10020012021105 is a wasteful number, since it uses less digits than its factorization.

10020012021105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47137.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 10020012021105 its reverse (50112021002001), we get a palindrome (60132033023106).

The spelling of 10020012021105 in words is "ten trillion, twenty billion, twelve million, twenty-one thousand, one hundred five".