10001222112211 has 32 divisors (see below), whose sum is σ = 11613389748480. Its totient is φ = 8517164112000.

The previous prime is 10001222112179. The next prime is 10001222112221. The reversal of 10001222112211 is 11221122210001.

It is a cyclic number.

It is not a de Polignac number, because 10001222112211 - 2⁵ = 10001222112179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001222112221) 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, 16010796 + ... + 16623718.

It is an arithmetic number, because the mean of its divisors is an integer number (362918429640).

Almost surely, 2^{10001222112211} is an apocalyptic number.

10001222112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10001222112211 is a deficient number, since it is larger than the sum of its proper divisors (1612167636269).

10001222112211 is a wasteful number, since it uses less digits than its factorization.

10001222112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613827.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10001222112211 its reverse (11221122210001), we get a palindrome (21222344322212).

The spelling of 10001222112211 in words is "ten trillion, one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred eleven".