1020102210101 has 4 divisors (see below), whose sum is σ = 1098571610892. Its totient is φ = 941632809312.

The previous prime is 1020102210077. The next prime is 1020102210187. The reversal of 1020102210101 is 1010122010201.

1020102210101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 648227875876 + 371874334225 = 805126^2 + 609815^2 .

It is not a de Polignac number, because 1020102210101 - 2²⁶ = 1020035101237 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 (1020102210901) 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, 39234700376 + ... + 39234700401.

It is an arithmetic number, because the mean of its divisors is an integer number (274642902723).

Almost surely, 2^{1020102210101} is an apocalyptic number.

It is an amenable number.

1020102210101 is a deficient number, since it is larger than the sum of its proper divisors (78469400791).

1020102210101 is an equidigital number, since it uses as much as digits as its factorization.

1020102210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78469400790.

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

Adding to 1020102210101 its reverse (1010122010201), we get a palindrome (2030224220302).

The spelling of 1020102210101 in words is "one trillion, twenty billion, one hundred two million, two hundred ten thousand, one hundred one".