1201122002111 has 4 divisors (see below), whose sum is σ = 1201161885000. Its totient is φ = 1201082119224.

The previous prime is 1201122002071. The next prime is 1201122002153. The reversal of 1201122002111 is 1112002211021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201122002111 - 2²² = 1201117807807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201122002911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19896236 + ... + 19956513.

It is an arithmetic number, because the mean of its divisors is an integer number (300290471250).

Almost surely, 2^{1201122002111} is an apocalyptic number.

1201122002111 is a deficient number, since it is larger than the sum of its proper divisors (39882889).

1201122002111 is an equidigital number, since it uses as much as digits as its factorization.

1201122002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39882888.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201122002111 its reverse (1112002211021), we get a palindrome (2313124213132).

The spelling of 1201122002111 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two thousand, one hundred eleven".