10202001221011 has 8 divisors (see below), whose sum is σ = 11150574390144. Its totient is φ = 9292145324160.

The previous prime is 10202001221003. The next prime is 10202001221021. The reversal of 10202001221011 is 11012210020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10202001221011 - 2³ = 10202001221003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202001220982 and 10202001221000.

It is not an unprimeable number, because it can be changed into a prime (10202001221021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9679317520 + ... + 9679318573.

It is an arithmetic number, because the mean of its divisors is an integer number (1393821798768).

Almost surely, 2^{10202001221011} is an apocalyptic number.

10202001221011 is a deficient number, since it is larger than the sum of its proper divisors (948573169133).

10202001221011 is a wasteful number, since it uses less digits than its factorization.

10202001221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19358636141.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10202001221011 its reverse (11012210020201), we get a palindrome (21214211241212).

The spelling of 10202001221011 in words is "ten trillion, two hundred two billion, one million, two hundred twenty-one thousand, eleven".