1021223022211 has 8 divisors (see below), whose sum is σ = 1235765674080. Its totient is φ = 823843782528.

The previous prime is 1021223022203. The next prime is 1021223022227. The reversal of 1021223022211 is 1122203221201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021223022211 - 2³ = 1021223022203 is a prime.

It is a super-2 number, since 2×1021223022211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021223022811) 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, 4290852916 + ... + 4290853153.

It is an arithmetic number, because the mean of its divisors is an integer number (154470709260).

Almost surely, 2^{1021223022211} is an apocalyptic number.

1021223022211 is a deficient number, since it is larger than the sum of its proper divisors (214542651869).

1021223022211 is an equidigital number, since it uses as much as digits as its factorization.

1021223022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581706093.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1021223022211 its reverse (1122203221201), we get a palindrome (2143426243412).

The spelling of 1021223022211 in words is "one trillion, twenty-one billion, two hundred twenty-three million, twenty-two thousand, two hundred eleven".