11211012022001 has 16 divisors (see below), whose sum is σ = 12461412237120. Its totient is φ = 9999162189120.

The previous prime is 11211012021991. The next prime is 11211012022009. The reversal of 11211012022001 is 10022021011211.

It is a cyclic number.

It is not a de Polignac number, because 11211012022001 - 2³⁴ = 11193832152817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211012022009) 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, 16149035 + ... + 16828943.

It is an arithmetic number, because the mean of its divisors is an integer number (778838264820).

Almost surely, 2^{11211012022001} is an apocalyptic number.

11211012022001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11211012022001 is a deficient number, since it is larger than the sum of its proper divisors (1250400215119).

11211012022001 is a wasteful number, since it uses less digits than its factorization.

11211012022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708256.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11211012022001 its reverse (10022021011211), we get a palindrome (21233033033212).

The spelling of 11211012022001 in words is "eleven trillion, two hundred eleven billion, twelve million, twenty-two thousand, one".