1111000121201 has 16 divisors (see below), whose sum is σ = 1152412098048. Its totient is φ = 1070532590400.

The previous prime is 1111000121177. The next prime is 1111000121233. The reversal of 1111000121201 is 1021210001111.

It is a cyclic number.

It is not a de Polignac number, because 1111000121201 - 2¹⁴ = 1111000104817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111000121281) 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, 136985 + ... + 1496918.

It is an arithmetic number, because the mean of its divisors is an integer number (72025756128).

Almost surely, 2^{1111000121201} is an apocalyptic number.

It is an amenable number.

1111000121201 is a deficient number, since it is larger than the sum of its proper divisors (41411976847).

1111000121201 is a wasteful number, since it uses less digits than its factorization.

1111000121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634192.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111000121201 its reverse (1021210001111), we get a palindrome (2132210122312).

The spelling of 1111000121201 in words is "one trillion, one hundred eleven billion, one hundred twenty-one thousand, two hundred one".