102210102021101 has 4 divisors (see below), whose sum is σ = 102361077061692. Its totient is φ = 102059126980512.

The previous prime is 102210102021077. The next prime is 102210102021103. The reversal of 102210102021101 is 101120201012201.

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 77260126971076 + 24949975050025 = 8789774^2 + 4994995^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210102021101 - 2¹⁸ = 102210101758957 is a prime.

It is a super-3 number, since 3×102210102021101³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210102021103) 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, 75487519280 + ... + 75487520633.

It is an arithmetic number, because the mean of its divisors is an integer number (25590269265423).

Almost surely, 2^{102210102021101} is an apocalyptic number.

It is an amenable number.

102210102021101 is a deficient number, since it is larger than the sum of its proper divisors (150975040591).

102210102021101 is an equidigital number, since it uses as much as digits as its factorization.

102210102021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150975040590.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102210102021101 its reverse (101120201012201), we get a palindrome (203330303033302).

The spelling of 102210102021101 in words is "one hundred two trillion, two hundred ten billion, one hundred two million, twenty-one thousand, one hundred one".