1200111102201 has 32 divisors (see below), whose sum is σ = 1801698624000. Its totient is φ = 704340362880.

The previous prime is 1200111102181. The next prime is 1200111102251. The reversal of 1200111102201 is 1022011110021.

It is not a de Polignac number, because 1200111102201 - 2¹⁰ = 1200111101177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200111102251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4469476 + ... + 4730373.

It is an arithmetic number, because the mean of its divisors is an integer number (56303082000).

Almost surely, 2^{1200111102201} is an apocalyptic number.

1200111102201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200111102201 is a deficient number, since it is larger than the sum of its proper divisors (601587521799).

1200111102201 is a wasteful number, since it uses less digits than its factorization.

1200111102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9199989.

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

Adding to 1200111102201 its reverse (1022011110021), we get a palindrome (2222122212222).

The spelling of 1200111102201 in words is "one trillion, two hundred billion, one hundred eleven million, one hundred two thousand, two hundred one".