2021201002 has 4 divisors (see below), whose sum is σ = 3031801506. Its totient is φ = 1010600500.

The previous prime is 2021200933. The next prime is 2021201027. The reversal of 2021201002 is 2001021202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2001021202 = 2 ⋅1000510601.

It can be written as a sum of positive squares in only one way, i.e., 1195845561 + 825355441 = 34581^2 + 28729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021201002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505300249 + ... + 505300252.

Almost surely, 2^2021201002 is an apocalyptic number.

2021201002 is a deficient number, since it is larger than the sum of its proper divisors (1010600504).

2021201002 is a wasteful number, since it uses less digits than its factorization.

2021201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010600503.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2021201002 is about 44957.7690950074. The cubic root of 2021201002 is about 1264.3573424356.

Adding to 2021201002 its reverse (2001021202), we get a palindrome (4022222204).

The spelling of 2021201002 in words is "two billion, twenty-one million, two hundred one thousand, two".