102001212101101 has 4 divisors (see below), whose sum is σ = 102001439151612. Its totient is φ = 102000985050592.

The previous prime is 102001212101083. The next prime is 102001212101119. The reversal of 102001212101101 is 101101212100201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102001212101083) and next prime (102001212101119).

It can be written as a sum of positive squares in 2 ways, for example, as 3878339422500 + 98122872678601 = 1969350^2 + 9905699^2 .

It is a cyclic number.

It is not a de Polignac number, because 102001212101101 - 2⁵ = 102001212101069 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 (102001212101141) 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, 112850050 + ... + 113750323.

It is an arithmetic number, because the mean of its divisors is an integer number (25500359787903).

Almost surely, 2^{102001212101101} is an apocalyptic number.

It is an amenable number.

102001212101101 is a deficient number, since it is larger than the sum of its proper divisors (227050511).

102001212101101 is an equidigital number, since it uses as much as digits as its factorization.

102001212101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227050510.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102001212101101 its reverse (101101212100201), we get a palindrome (203102424201302).

The spelling of 102001212101101 in words is "one hundred two trillion, one billion, two hundred twelve million, one hundred one thousand, one hundred one".