1022201022211 has 4 divisors (see below), whose sum is σ = 1022264794312. Its totient is φ = 1022137250112.

The previous prime is 1022201022197. The next prime is 1022201022229. The reversal of 1022201022211 is 1122201022201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022201022211 - 2⁵ = 1022201022179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022201022511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31862001 + ... + 31894066.

It is an arithmetic number, because the mean of its divisors is an integer number (255566198578).

Almost surely, 2^{1022201022211} is an apocalyptic number.

1022201022211 is a deficient number, since it is larger than the sum of its proper divisors (63772101).

1022201022211 is an equidigital number, since it uses as much as digits as its factorization.

1022201022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63772100.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022201022211 its reverse (1122201022201), we get a palindrome (2144402044412).

The spelling of 1022201022211 in words is "one trillion, twenty-two billion, two hundred one million, twenty-two thousand, two hundred eleven".