1202001211111 has 8 divisors (see below), whose sum is σ = 1214483094720. Its totient is φ = 1189521166848.

The previous prime is 1202001211063. The next prime is 1202001211139. The reversal of 1202001211111 is 1111121002021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202001211111 - 2³⁵ = 1167641472743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202001211091 and 1202001211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202001211171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873915 + ... + 1779811.

It is an arithmetic number, because the mean of its divisors is an integer number (151810386840).

Almost surely, 2^{1202001211111} is an apocalyptic number.

1202001211111 is a deficient number, since it is larger than the sum of its proper divisors (12481883609).

1202001211111 is an equidigital number, since it uses as much as digits as its factorization.

1202001211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919673.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1202001211111 its reverse (1111121002021), we get a palindrome (2313122213132).

The spelling of 1202001211111 in words is "one trillion, two hundred two billion, one million, two hundred eleven thousand, one hundred eleven".