10212222011 has 4 divisors (see below), whose sum is σ = 10749707400. Its totient is φ = 9674736624.

The previous prime is 10212222001. The next prime is 10212222017. The reversal of 10212222011 is 11022221201.

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 10212222011 - 2⁶ = 10212221947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212222017) 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, 268742666 + ... + 268742703.

It is an arithmetic number, because the mean of its divisors is an integer number (2687426850).

Almost surely, 2^10212222011 is an apocalyptic number.

10212222011 is a deficient number, since it is larger than the sum of its proper divisors (537485389).

10212222011 is an equidigital number, since it uses as much as digits as its factorization.

10212222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537485388.

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

Adding to 10212222011 its reverse (11022221201), we get a palindrome (21234443212).

The spelling of 10212222011 in words is "ten billion, two hundred twelve million, two hundred twenty-two thousand, eleven".