10212011221111 has 8 divisors (see below), whose sum is σ = 11691823059360. Its totient is φ = 8737437655968.

The previous prime is 10212011221103. The next prime is 10212011221151. The reversal of 10212011221111 is 11112211021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10212011221111 - 2³ = 10212011221103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212011221151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309564096 + ... + 1309571893.

It is an arithmetic number, because the mean of its divisors is an integer number (1461477882420).

Almost surely, 2^{10212011221111} is an apocalyptic number.

10212011221111 is a deficient number, since it is larger than the sum of its proper divisors (1479811838249).

10212011221111 is an equidigital number, since it uses as much as digits as its factorization.

10212011221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619136553.

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

Adding to 10212011221111 its reverse (11112211021201), we get a palindrome (21324222242312).

The spelling of 10212011221111 in words is "ten trillion, two hundred twelve billion, eleven million, two hundred twenty-one thousand, one hundred eleven".