1012221110201 has 32 divisors (see below), whose sum is σ = 1240785520128. Its totient is φ = 806889346560.

The previous prime is 1012221110191. The next prime is 1012221110207. The reversal of 1012221110201 is 1020111222101.

It is a cyclic number.

It is not a de Polignac number, because 1012221110201 - 2¹⁰ = 1012221109177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012221110207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1672415 + ... + 2195771.

It is an arithmetic number, because the mean of its divisors is an integer number (38774547504).

Almost surely, 2^{1012221110201} is an apocalyptic number.

It is an amenable number.

1012221110201 is a deficient number, since it is larger than the sum of its proper divisors (228564409927).

1012221110201 is a wasteful number, since it uses less digits than its factorization.

1012221110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523721.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012221110201 its reverse (1020111222101), we get a palindrome (2032332332302).

The spelling of 1012221110201 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred ten thousand, two hundred one".