10211220220202 has 8 divisors (see below), whose sum is σ = 15316859971812. Its totient is φ = 5105600229600.

The previous prime is 10211220220193. The next prime is 10211220220217. The reversal of 10211220220202 is 20202202211201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10145505410401 + 65714809801 = 3185201^2 + 256349^2 .

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, 3572699 + ... + 5760782.

Almost surely, 2^{10211220220202} is an apocalyptic number.

10211220220202 is a deficient number, since it is larger than the sum of its proper divisors (5105639751610).

10211220220202 is an equidigital number, since it uses as much as digits as its factorization.

10211220220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9880504.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10211220220202 its reverse (20202202211201), we get a palindrome (30413422431403).

The spelling of 10211220220202 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty thousand, two hundred two".