2101210001101 has 8 divisors (see below), whose sum is σ = 2105537099904. Its totient is φ = 2096883497520.

The previous prime is 2101210001089. The next prime is 2101210001113. The reversal of 2101210001101 is 1011000121012.

It is an interprime number because it is at equal distance from previous prime (2101210001089) and next prime (2101210001113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101210001101 - 2¹⁷ = 2101209870029 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 (2101210001141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7301736 + ... + 7584046.

It is an arithmetic number, because the mean of its divisors is an integer number (263192137488).

Almost surely, 2^{2101210001101} is an apocalyptic number.

It is an amenable number.

2101210001101 is a deficient number, since it is larger than the sum of its proper divisors (4327098803).

2101210001101 is a wasteful number, since it uses less digits than its factorization.

2101210001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297611.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2101210001101 its reverse (1011000121012), we get a palindrome (3112210122113).

The spelling of 2101210001101 in words is "two trillion, one hundred one billion, two hundred ten million, one thousand, one hundred one".