1021420213202 has 8 divisors (see below), whose sum is σ = 1532284070016. Its totient is φ = 510658856532.

The previous prime is 1021420213127. The next prime is 1021420213213. The reversal of 1021420213202 is 2023120241201.

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, 25600118 + ... + 25639985.

It is an arithmetic number, because the mean of its divisors is an integer number (191535508752).

Almost surely, 2^{1021420213202} is an apocalyptic number.

1021420213202 is a deficient number, since it is larger than the sum of its proper divisors (510863856814).

1021420213202 is an equidigital number, since it uses as much as digits as its factorization.

1021420213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51250072.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1021420213202 its reverse (2023120241201), we get a palindrome (3044540454403).

The spelling of 1021420213202 in words is "one trillion, twenty-one billion, four hundred twenty million, two hundred thirteen thousand, two hundred two".