2101020200101 has 4 divisors (see below), whose sum is σ = 2108444300032. Its totient is φ = 2093596100172.

The previous prime is 2101020200057. The next prime is 2101020200137. The reversal of 2101020200101 is 1010020201012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101020200101 - 2⁹ = 2101020199589 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 (2101020203101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712049541 + ... + 3712050106.

It is an arithmetic number, because the mean of its divisors is an integer number (527111075008).

Almost surely, 2^{2101020200101} is an apocalyptic number.

It is an amenable number.

2101020200101 is a deficient number, since it is larger than the sum of its proper divisors (7424099931).

2101020200101 is an equidigital number, since it uses as much as digits as its factorization.

2101020200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424099930.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2101020200101 its reverse (1010020201012), we get a palindrome (3111040401113).

The spelling of 2101020200101 in words is "two trillion, one hundred one billion, twenty million, two hundred thousand, one hundred one".