11121020001201 has 16 divisors (see below), whose sum is σ = 16209244781568. Its totient is φ = 6726172251600.

The previous prime is 11121020001191. The next prime is 11121020001229. The reversal of 11121020001201 is 10210002012111.

It is not a de Polignac number, because 11121020001201 - 2⁶ = 11121020001137 is a prime.

It is a super-3 number, since 3×11121020001201³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11121020001001) 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, 345980445 + ... + 346012586.

It is an arithmetic number, because the mean of its divisors is an integer number (1013077798848).

Almost surely, 2^{11121020001201} is an apocalyptic number.

11121020001201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11121020001201 is a deficient number, since it is larger than the sum of its proper divisors (5088224780367).

11121020001201 is a wasteful number, since it uses less digits than its factorization.

11121020001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691993532.

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

Adding to 11121020001201 its reverse (10210002012111), we get a palindrome (21331022013312).

The spelling of 11121020001201 in words is "eleven trillion, one hundred twenty-one billion, twenty million, one thousand, two hundred one".