10020001120101 has 24 divisors (see below), whose sum is σ = 16541805772544. Its totient is φ = 5725420161120.

The previous prime is 10020001120049. The next prime is 10020001120111. The reversal of 10020001120101 is 10102110002001.

It is a happy number.

It is not a de Polignac number, because 10020001120101 - 2¹¹ = 10020001118053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020001120111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2857546 + ... + 5310891.

Almost surely, 2^{10020001120101} is an apocalyptic number.

It is an amenable number.

10020001120101 is a deficient number, since it is larger than the sum of its proper divisors (6521804652443).

10020001120101 is a wasteful number, since it uses less digits than its factorization.

10020001120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187921 (or 8187918 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10020001120101 its reverse (10102110002001), we get a palindrome (20122111122102).

The spelling of 10020001120101 in words is "ten trillion, twenty billion, one million, one hundred twenty thousand, one hundred one".