1121111000201 has 16 divisors (see below), whose sum is σ = 1141585308864. Its totient is φ = 1100748870144.

The previous prime is 1121111000173. The next prime is 1121111000231. The reversal of 1121111000201 is 1020001111211.

It is a cyclic number.

It is not a de Polignac number, because 1121111000201 - 2¹⁸ = 1121110738057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121111000231) 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, 96700061 + ... + 96711653.

It is an arithmetic number, because the mean of its divisors is an integer number (71349081804).

Almost surely, 2^{1121111000201} is an apocalyptic number.

It is an amenable number.

1121111000201 is a deficient number, since it is larger than the sum of its proper divisors (20474308663).

1121111000201 is a wasteful number, since it uses less digits than its factorization.

1121111000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16280.

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

Adding to 1121111000201 its reverse (1020001111211), we get a palindrome (2141112111412).

The spelling of 1121111000201 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred one", and thus it is an aban number.