1202012011111 has 8 divisors (see below), whose sum is σ = 1209775528080. Its totient is φ = 1194257867712.

The previous prime is 1202012011103. The next prime is 1202012011163. The reversal of 1202012011111 is 1111102102021.

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 1202012011111 - 2³ = 1202012011103 is a prime.

It is a super-2 number, since 2×1202012011111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202012011091 and 1202012011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202012411111) 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, 2086006 + ... + 2599123.

It is an arithmetic number, because the mean of its divisors is an integer number (151221941010).

Almost surely, 2^{1202012011111} is an apocalyptic number.

1202012011111 is a deficient number, since it is larger than the sum of its proper divisors (7763516969).

1202012011111 is a wasteful number, since it uses less digits than its factorization.

1202012011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686785.

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

Adding to 1202012011111 its reverse (1111102102021), we get a palindrome (2313114113132).

It can be divided in two parts, 120201 and 2011111, that added together give a palindrome (2131312).

The spelling of 1202012011111 in words is "one trillion, two hundred two billion, twelve million, eleven thousand, one hundred eleven".