10001220210202 has 16 divisors (see below), whose sum is σ = 16499558057472. Its totient is φ = 4517736133680.

The previous prime is 10001220210193. The next prime is 10001220210253. The reversal of 10001220210202 is 20201202210001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092151074 + ... + 4092153517.

It is an arithmetic number, because the mean of its divisors is an integer number (1031222378592).

Almost surely, 2^{10001220210202} is an apocalyptic number.

10001220210202 is a deficient number, since it is larger than the sum of its proper divisors (6498337847270).

10001220210202 is a wasteful number, since it uses less digits than its factorization.

10001220210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8184304653.

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

Adding to 10001220210202 its reverse (20201202210001), we get a palindrome (30202422420203).

The spelling of 10001220210202 in words is "ten trillion, one billion, two hundred twenty million, two hundred ten thousand, two hundred two".