1010002021202 has 4 divisors (see below), whose sum is σ = 1515003031806. Its totient is φ = 505001010600.

The previous prime is 1010002021181. The next prime is 1010002021219. The reversal of 1010002021202 is 2021202000101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1001458531441 + 8543489761 = 1000729^2 + 92431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252500505299 + ... + 252500505302.

Almost surely, 2^{1010002021202} is an apocalyptic number.

1010002021202 is a deficient number, since it is larger than the sum of its proper divisors (505001010604).

1010002021202 is an equidigital number, since it uses as much as digits as its factorization.

1010002021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505001010603.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1010002021202 its reverse (2021202000101), we get a palindrome (3031204021303).

The spelling of 1010002021202 in words is "one trillion, ten billion, two million, twenty-one thousand, two hundred two".