1022210431221 has 8 divisors (see below), whose sum is σ = 1557653990464. Its totient is φ = 584120246400.

The previous prime is 1022210431201. The next prime is 1022210431267. The reversal of 1022210431221 is 1221340122201.

It is a happy number.

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

It is not a de Polignac number, because 1022210431221 - 2⁵ = 1022210431189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 48676687201 = 1022210431221 / (1 + 0 + 2 + 2 + 2 + 1 + 0 + 4 + 3 + 1 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022210431201) 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, 24338343580 + ... + 24338343621.

It is an arithmetic number, because the mean of its divisors is an integer number (194706748808).

Almost surely, 2^{1022210431221} is an apocalyptic number.

It is an amenable number.

1022210431221 is a deficient number, since it is larger than the sum of its proper divisors (535443559243).

1022210431221 is an equidigital number, since it uses as much as digits as its factorization.

1022210431221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48676687211.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1022210431221 its reverse (1221340122201), we get a palindrome (2243550553422).

The spelling of 1022210431221 in words is "one trillion, twenty-two billion, two hundred ten million, four hundred thirty-one thousand, two hundred twenty-one".