2102010210101 has 16 divisors (see below), whose sum is σ = 2178916566528. Its totient is φ = 2025681134400.

The previous prime is 2102010210059. The next prime is 2102010210103. The reversal of 2102010210101 is 1010120102012.

It is a cyclic number.

It is not a de Polignac number, because 2102010210101 - 2¹⁸ = 2102009947957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102010210103) 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, 14879666 + ... + 15020268.

It is an arithmetic number, because the mean of its divisors is an integer number (136182285408).

Almost surely, 2^{2102010210101} is an apocalyptic number.

It is an amenable number.

2102010210101 is a deficient number, since it is larger than the sum of its proper divisors (76906356427).

2102010210101 is a wasteful number, since it uses less digits than its factorization.

2102010210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142652.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2102010210101 its reverse (1010120102012), we get a palindrome (3112130312113).

The spelling of 2102010210101 in words is "two trillion, one hundred two billion, ten million, two hundred ten thousand, one hundred one".