102210001101 has 24 divisors (see below), whose sum is σ = 159033263480. Its totient is φ = 62882666496.

The previous prime is 102210001099. The next prime is 102210001177. The reversal of 102210001101 is 101100012201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13242025476 + 88967975625 = 115074^2 + 298275^2 .

It is not a de Polignac number, because 102210001101 - 2¹ = 102210001099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210001601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367005 + ... + 582333.

Almost surely, 2^102210001101 is an apocalyptic number.

It is an amenable number.

102210001101 is a deficient number, since it is larger than the sum of its proper divisors (56823262379).

102210001101 is a wasteful number, since it uses less digits than its factorization.

102210001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219405 (or 219402 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102210001101 its reverse (101100012201), we get a palindrome (203310013302).

The spelling of 102210001101 in words is "one hundred two billion, two hundred ten million, one thousand, one hundred one".