10021212222011 has 16 divisors (see below), whose sum is σ = 10813233042144. Its totient is φ = 9251772501504.

The previous prime is 10021212221987. The next prime is 10021212222269. The reversal of 10021212222011 is 11022221212001.

It is a cyclic number.

It is not a de Polignac number, because 10021212222011 - 2²² = 10021208027707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021212222311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2978636 + ... + 5377238.

It is an arithmetic number, because the mean of its divisors is an integer number (675827065134).

Almost surely, 2^{10021212222011} is an apocalyptic number.

10021212222011 is a deficient number, since it is larger than the sum of its proper divisors (792020820133).

10021212222011 is a wasteful number, since it uses less digits than its factorization.

10021212222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403310.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10021212222011 its reverse (11022221212001), we get a palindrome (21043433434012).

The spelling of 10021212222011 in words is "ten trillion, twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, eleven".