1202101100111 has 4 divisors (see below), whose sum is σ = 1211566463232. Its totient is φ = 1192635736992.

The previous prime is 1202101100087. The next prime is 1202101100113. The reversal of 1202101100111 is 1110011012021.

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 1202101100111 - 2²⁶ = 1202033991247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202101100092 and 1202101100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202101100113) 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, 4732681370 + ... + 4732681623.

It is an arithmetic number, because the mean of its divisors is an integer number (302891615808).

Almost surely, 2^{1202101100111} is an apocalyptic number.

1202101100111 is a deficient number, since it is larger than the sum of its proper divisors (9465363121).

1202101100111 is an equidigital number, since it uses as much as digits as its factorization.

1202101100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9465363120.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1202101100111 its reverse (1110011012021), we get a palindrome (2312112112132).

The spelling of 1202101100111 in words is "one trillion, two hundred two billion, one hundred one million, one hundred thousand, one hundred eleven".