1210021020202 has 8 divisors (see below), whose sum is σ = 1893945944736. Its totient is φ = 578705705292.

The previous prime is 1210021020181. The next prime is 1210021020287. The reversal of 1210021020202 is 2020201200121.

It is a happy number.

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

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, 13152402348 + ... + 13152402439.

It is an arithmetic number, because the mean of its divisors is an integer number (236743243092).

Almost surely, 2^{1210021020202} is an apocalyptic number.

1210021020202 is a deficient number, since it is larger than the sum of its proper divisors (683924924534).

1210021020202 is a wasteful number, since it uses less digits than its factorization.

1210021020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26304804812.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1210021020202 its reverse (2020201200121), we get a palindrome (3230222220323).

The spelling of 1210021020202 in words is "one trillion, two hundred ten billion, twenty-one million, twenty thousand, two hundred two".