11100121022001 has 16 divisors (see below), whose sum is σ = 16167360936960. Its totient is φ = 6718291757520.

The previous prime is 11100121021999. The next prime is 11100121022009. The reversal of 11100121022001 is 10022012100111.

It is not a de Polignac number, because 11100121022001 - 2¹ = 11100121021999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100121022009) 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, 226333021 + ... + 226382058.

It is an arithmetic number, because the mean of its divisors is an integer number (1010460058560).

Almost surely, 2^{11100121022001} is an apocalyptic number.

11100121022001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100121022001 is a deficient number, since it is larger than the sum of its proper divisors (5067239914959).

11100121022001 is a wasteful number, since it uses less digits than its factorization.

11100121022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452715836.

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

Adding to 11100121022001 its reverse (10022012100111), we get a palindrome (21122133122112).

The spelling of 11100121022001 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, twenty-two thousand, one".