102210212121101 has 12 divisors (see below), whose sum is σ = 125155361782080. Its totient is φ = 82997766232920.

The previous prime is 102210212121091. The next prime is 102210212121103. The reversal of 102210212121101 is 101121212012201.

It is not a de Polignac number, because 102210212121101 - 2¹⁸ = 102210211858957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102210212121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210212121103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54892701605 + ... + 54892703466.

It is an arithmetic number, because the mean of its divisors is an integer number (10429613481840).

Almost surely, 2^{102210212121101} is an apocalyptic number.

It is an amenable number.

102210212121101 is a deficient number, since it is larger than the sum of its proper divisors (22945149660979).

102210212121101 is a wasteful number, since it uses less digits than its factorization.

102210212121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109785405104 (or 109785405097 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102210212121101 its reverse (101121212012201), we get a palindrome (203331424133302).

The spelling of 102210212121101 in words is "one hundred two trillion, two hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred one".