11101212200001 has 32 divisors (see below), whose sum is σ = 19539490387968. Its totient is φ = 5427636215040.

The previous prime is 11101212199999. The next prime is 11101212200009. The reversal of 11101212200001 is 10000221210111.

It is not a de Polignac number, because 11101212200001 - 2¹ = 11101212199999 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101212200001.

It is not an unprimeable number, because it can be changed into a prime (11101212200009) 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, 1413443005 + ... + 1413450858.

It is an arithmetic number, because the mean of its divisors is an integer number (610609074624).

Almost surely, 2^{11101212200001} is an apocalyptic number.

11101212200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11101212200001 is a deficient number, since it is larger than the sum of its proper divisors (8438278187967).

11101212200001 is a wasteful number, since it uses less digits than its factorization.

11101212200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826893901.

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

Adding to 11101212200001 its reverse (10000221210111), we get a palindrome (21101433410112).

The spelling of 11101212200001 in words is "eleven trillion, one hundred one billion, two hundred twelve million, two hundred thousand, one".