1202102100111 has 8 divisors (see below), whose sum is σ = 1748512145664. Its totient is φ = 728546727320.

The previous prime is 1202102100107. The next prime is 1202102100149. The reversal of 1202102100111 is 1110012012021.

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 1202102100111 - 2² = 1202102100107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202102100151) 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, 18213668151 + ... + 18213668216.

It is an arithmetic number, because the mean of its divisors is an integer number (218564018208).

Almost surely, 2^{1202102100111} is an apocalyptic number.

1202102100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202102100111 is a deficient number, since it is larger than the sum of its proper divisors (546410045553).

1202102100111 is a wasteful number, since it uses less digits than its factorization.

1202102100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36427336381.

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

Adding to 1202102100111 its reverse (1110012012021), we get a palindrome (2312114112132).

The spelling of 1202102100111 in words is "one trillion, two hundred two billion, one hundred two million, one hundred thousand, one hundred eleven".