1202100002111 has 4 divisors (see below), whose sum is σ = 1202110294872. Its totient is φ = 1202089709352.

The previous prime is 1202100002057. The next prime is 1202100002143. The reversal of 1202100002111 is 1112000012021.

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 1202100002111 - 2²⁶ = 1202032893247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202100002092 and 1202100002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202100002171) 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, 4969160 + ... + 5205453.

It is an arithmetic number, because the mean of its divisors is an integer number (300527573718).

Almost surely, 2^{1202100002111} is an apocalyptic number.

1202100002111 is a deficient number, since it is larger than the sum of its proper divisors (10292761).

1202100002111 is a wasteful number, since it uses less digits than its factorization.

1202100002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292760.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1202100002111 its reverse (1112000012021), we get a palindrome (2314100014132).

The spelling of 1202100002111 in words is "one trillion, two hundred two billion, one hundred million, two thousand, one hundred eleven".