20010102003121 has 32 divisors (see below), whose sum is σ = 22749785210880. Its totient is φ = 17499829939200.

The previous prime is 20010102003103. The next prime is 20010102003163. The reversal of 20010102003121 is 12130020101002.

It is not a de Polignac number, because 20010102003121 - 2¹¹ = 20010102001073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010102003191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 850641 + ... + 6383086.

It is an arithmetic number, because the mean of its divisors is an integer number (710930787840).

Almost surely, 2^{20010102003121} is an apocalyptic number.

It is an amenable number.

20010102003121 is a deficient number, since it is larger than the sum of its proper divisors (2739683207759).

20010102003121 is a wasteful number, since it uses less digits than its factorization.

20010102003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233985.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20010102003121 its reverse (12130020101002), we get a palindrome (32140122104123).

The spelling of 20010102003121 in words is "twenty trillion, ten billion, one hundred two million, three thousand, one hundred twenty-one".