10221211011 has 32 divisors (see below), whose sum is σ = 14943472128. Its totient is φ = 6162992640.

The previous prime is 10221210977. The next prime is 10221211027. The reversal of 10221211011 is 11011212201.

It is not a de Polignac number, because 10221211011 - 2⁹ = 10221210499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221211081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8262285 + ... + 8263521.

It is an arithmetic number, because the mean of its divisors is an integer number (466983504).

Almost surely, 2^10221211011 is an apocalyptic number.

10221211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221211011 is a deficient number, since it is larger than the sum of its proper divisors (4722261117).

10221211011 is a wasteful number, since it uses less digits than its factorization.

10221211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10221211011 its reverse (11011212201), we get a palindrome (21232423212).

It can be divided in two parts, 1022121 and 1011, that multiplied together give a cube (1033364331 = 1011³).

The spelling of 10221211011 in words is "ten billion, two hundred twenty-one million, two hundred eleven thousand, eleven".