10202221011 has 16 divisors (see below), whose sum is σ = 13973693184. Its totient is φ = 6616196064.

The previous prime is 10202220997. The next prime is 10202221013. The reversal of 10202221011 is 11012220201.

It is not a de Polignac number, because 10202221011 - 2¹⁰ = 10202219987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10202221013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751066 + ... + 764528.

It is an arithmetic number, because the mean of its divisors is an integer number (873355824).

Almost surely, 2^10202221011 is an apocalyptic number.

10202221011 is a deficient number, since it is larger than the sum of its proper divisors (3771472173).

10202221011 is a wasteful number, since it uses less digits than its factorization.

10202221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20330.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10202221011 its reverse (11012220201), we get a palindrome (21214441212).

The spelling of 10202221011 in words is "ten billion, two hundred two million, two hundred twenty-one thousand, eleven".