101212202102202 has 12 divisors (see below), whose sum is σ = 219293104554810. Its totient is φ = 33737400700728.

The previous prime is 101212202102183. The next prime is 101212202102203. The reversal of 101212202102202 is 202201202212101.

It is a happy number.

101212202102202 is a `hidden beast` number, since 1 + 0 + 1 + 212 + 20 + 210 + 220 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53685090194121 + 47527111908081 = 7327011^2 + 6893991^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5622900116789 = 101212202102202 / (1 + 0 + 1 + 2 + 1 + 2 + 2 + 0 + 2 + 1 + 0 + 2 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (101212202102203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811450058377 + ... + 2811450058412.

Almost surely, 2^{101212202102202} is an apocalyptic number.

101212202102202 is an abundant number, since it is smaller than the sum of its proper divisors (118080902452608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101212202102202 is a wasteful number, since it uses less digits than its factorization.

101212202102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622900116797 (or 5622900116794 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101212202102202 its reverse (202201202212101), we get a palindrome (303413404314303).

The spelling of 101212202102202 in words is "one hundred one trillion, two hundred twelve billion, two hundred two million, one hundred two thousand, two hundred two".