1010202212121 has 8 divisors (see below), whose sum is σ = 1350453089280. Its totient is φ = 671709738192.

The previous prime is 1010202212077. The next prime is 1010202212137. The reversal of 1010202212121 is 1212122020101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1010202212121 - 2¹⁰ = 1010202211097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010202212121.

It is not an unprimeable number, because it can be changed into a prime (1010202212161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439599466 + ... + 439601763.

It is an arithmetic number, because the mean of its divisors is an integer number (168806636160).

Almost surely, 2^{1010202212121} is an apocalyptic number.

It is an amenable number.

1010202212121 is a deficient number, since it is larger than the sum of its proper divisors (340250877159).

1010202212121 is an equidigital number, since it uses as much as digits as its factorization.

1010202212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879201615.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1010202212121 its reverse (1212122020101), we get a palindrome (2222324232222).

The spelling of 1010202212121 in words is "one trillion, ten billion, two hundred two million, two hundred twelve thousand, one hundred twenty-one".