10101010221002 has 4 divisors (see below), whose sum is σ = 15151515331506. Its totient is φ = 5050505110500.

The previous prime is 10101010220947. The next prime is 10101010221007. The reversal of 10101010221002 is 20012201010101.

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., 9104708794801 + 996301426201 = 3017401^2 + 998149^2 .

It is not an unprimeable number, because it can be changed into a prime (10101010221007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525252555249 + ... + 2525252555252.

Almost surely, 2^{10101010221002} is an apocalyptic number.

10101010221002 is a deficient number, since it is larger than the sum of its proper divisors (5050505110504).

10101010221002 is an equidigital number, since it uses as much as digits as its factorization.

10101010221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050505110503.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10101010221002 its reverse (20012201010101), we get a palindrome (30113211231103).

The spelling of 10101010221002 in words is "ten trillion, one hundred one billion, ten million, two hundred twenty-one thousand, two".