1202011020111 has 16 divisors (see below), whose sum is σ = 1768024385280. Its totient is φ = 720306227520.

The previous prime is 1202011020103. The next prime is 1202011020193. The reversal of 1202011020111 is 1110201102021.

It is not a de Polignac number, because 1202011020111 - 2³ = 1202011020103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202011020911) 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, 204629515 + ... + 204635388.

It is an arithmetic number, because the mean of its divisors is an integer number (110501524080).

Almost surely, 2^{1202011020111} is an apocalyptic number.

1202011020111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202011020111 is a deficient number, since it is larger than the sum of its proper divisors (566013365169).

1202011020111 is a wasteful number, since it uses less digits than its factorization.

1202011020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409265006.

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

Adding to 1202011020111 its reverse (1110201102021), we get a palindrome (2312212122132).

The spelling of 1202011020111 in words is "one trillion, two hundred two billion, eleven million, twenty thousand, one hundred eleven".