1012022233221 has 16 divisors (see below), whose sum is σ = 1397024066048. Its totient is φ = 650980108800.

The previous prime is 1012022233207. The next prime is 1012022233259. The reversal of 1012022233221 is 1223322202101.

It is not a de Polignac number, because 1012022233221 - 2³⁷ = 874583279749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012022233021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16114000 + ... + 16176681.

It is an arithmetic number, because the mean of its divisors is an integer number (87314004128).

Almost surely, 2^{1012022233221} is an apocalyptic number.

It is an amenable number.

1012022233221 is a deficient number, since it is larger than the sum of its proper divisors (385001832827).

1012022233221 is a wasteful number, since it uses less digits than its factorization.

1012022233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32291052.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1012022233221 its reverse (1223322202101), we get a palindrome (2235344435322).

The spelling of 1012022233221 in words is "one trillion, twelve billion, twenty-two million, two hundred thirty-three thousand, two hundred twenty-one".