1022021201211 has 8 divisors (see below), whose sum is σ = 1395931396944. Its totient is φ = 664729236480.

The previous prime is 1022021201189. The next prime is 1022021201221. The reversal of 1022021201211 is 1121021202201.

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

It is not a de Polignac number, because 1022021201211 - 2³³ = 1013431266619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022021201221) 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, 4154557606 + ... + 4154557851.

It is an arithmetic number, because the mean of its divisors is an integer number (174491424618).

Almost surely, 2^{1022021201211} is an apocalyptic number.

1022021201211 is a deficient number, since it is larger than the sum of its proper divisors (373910195733).

1022021201211 is an equidigital number, since it uses as much as digits as its factorization.

1022021201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8309115501.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1022021201211 its reverse (1121021202201), we get a palindrome (2143042403412).

The spelling of 1022021201211 in words is "one trillion, twenty-two billion, twenty-one million, two hundred one thousand, two hundred eleven".