102102202120101 has 16 divisors (see below), whose sum is σ = 136305855694848. Its totient is φ = 67983343772400.

The previous prime is 102102202120073. The next prime is 102102202120133. The reversal of 102102202120101 is 101021202201201.

It is not a de Polignac number, because 102102202120101 - 2¹³ = 102102202111909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102202120141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234983490 + ... + 235417596.

It is an arithmetic number, because the mean of its divisors is an integer number (8519115980928).

Almost surely, 2^{102102202120101} is an apocalyptic number.

It is an amenable number.

102102202120101 is a deficient number, since it is larger than the sum of its proper divisors (34203653574747).

102102202120101 is an equidigital number, since it uses as much as digits as its factorization.

102102202120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531592.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102102202120101 its reverse (101021202201201), we get a palindrome (203123404321302).

The spelling of 102102202120101 in words is "one hundred two trillion, one hundred two billion, two hundred two million, one hundred twenty thousand, one hundred one".