10212121202202 has 12 divisors (see below), whose sum is σ = 22126262604810. Its totient is φ = 3404040400728.

The previous prime is 10212121202189. The next prime is 10212121202233. The reversal of 10212121202202 is 20220212121201.

It is a happy number.

10212121202202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9399564988641 + 812556213561 = 3065871^2 + 901419^2 .

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: 567340066789 = 10212121202202 / (1 + 0 + 2 + 1 + 2 + 1 + 2 + 1 + 2 + 0 + 2 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283670033377 + ... + 283670033412.

Almost surely, 2^{10212121202202} is an apocalyptic number.

10212121202202 is an abundant number, since it is smaller than the sum of its proper divisors (11914141402608).

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

10212121202202 is a wasteful number, since it uses less digits than its factorization.

10212121202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567340066797 (or 567340066794 counting only the distinct ones).

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

Adding to 10212121202202 its reverse (20220212121201), we get a palindrome (30432333323403).

The spelling of 10212121202202 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, two hundred two thousand, two hundred two".