101802210212 has 12 divisors (see below), whose sum is σ = 181074423516. Its totient is φ = 50066660640.

The previous prime is 101802210203. The next prime is 101802210221. The reversal of 101802210212 is 212012208101.

It is an interprime number because it is at equal distance from previous prime (101802210203) and next prime (101802210221).

It can be written as a sum of positive squares in 2 ways, for example, as 11576468836 + 90225741376 = 107594^2 + 300376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208610843 + ... + 208611330.

It is an arithmetic number, because the mean of its divisors is an integer number (15089535293).

Almost surely, 2^101802210212 is an apocalyptic number.

It is an amenable number.

101802210212 is a deficient number, since it is larger than the sum of its proper divisors (79272213304).

101802210212 is a wasteful number, since it uses less digits than its factorization.

101802210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417222238 (or 417222236 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101802210212 its reverse (212012208101), we get a palindrome (313814418313).

The spelling of 101802210212 in words is "one hundred one billion, eight hundred two million, two hundred ten thousand, two hundred twelve".