1021220200211 has 8 divisors (see below), whose sum is σ = 1081531334880. Its totient is φ = 960935660928.

The previous prime is 1021220200129. The next prime is 1021220200237. The reversal of 1021220200211 is 1120020221201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021220200211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021220200241) 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, 6569756 + ... + 6723401.

It is an arithmetic number, because the mean of its divisors is an integer number (135191416860).

Almost surely, 2^{1021220200211} is an apocalyptic number.

1021220200211 is a deficient number, since it is larger than the sum of its proper divisors (60311134669).

1021220200211 is a wasteful number, since it uses less digits than its factorization.

1021220200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13297693.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021220200211 its reverse (1120020221201), we get a palindrome (2141240421412).

The spelling of 1021220200211 in words is "one trillion, twenty-one billion, two hundred twenty million, two hundred thousand, two hundred eleven".