10221020021211 has 24 divisors (see below), whose sum is σ = 14437730799360. Its totient is φ = 6430835711664.

The previous prime is 10221020021129. The next prime is 10221020021227. The reversal of 10221020021211 is 11212002012201.

It is not a de Polignac number, because 10221020021211 - 2²⁶ = 10220952912347 is a prime.

It is a super-2 number, since 2×10221020021211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10221020021281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17657551 + ... + 18227208.

It is an arithmetic number, because the mean of its divisors is an integer number (601572116640).

Almost surely, 2^{10221020021211} is an apocalyptic number.

10221020021211 is a deficient number, since it is larger than the sum of its proper divisors (4216710778149).

10221020021211 is a wasteful number, since it uses less digits than its factorization.

10221020021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35885063 (or 35885044 counting only the distinct ones).

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

Adding to 10221020021211 its reverse (11212002012201), we get a palindrome (21433022033412).

The spelling of 10221020021211 in words is "ten trillion, two hundred twenty-one billion, twenty million, twenty-one thousand, two hundred eleven".