1121100202101 has 16 divisors (see below), whose sum is σ = 1646836665408. Its totient is φ = 672727392000.

The previous prime is 1121100202069. The next prime is 1121100202139. The reversal of 1121100202101 is 1012020011211.

It is not a de Polignac number, because 1121100202101 - 2⁵ = 1121100202069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121100203101) 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, 168178516 + ... + 168185181.

It is an arithmetic number, because the mean of its divisors is an integer number (102927291588).

Almost surely, 2^{1121100202101} is an apocalyptic number.

1121100202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121100202101 is a deficient number, since it is larger than the sum of its proper divisors (525736463307).

1121100202101 is a wasteful number, since it uses less digits than its factorization.

1121100202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336363812.

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

Adding to 1121100202101 its reverse (1012020011211), we get a palindrome (2133120213312).

The spelling of 1121100202101 in words is "one trillion, one hundred twenty-one billion, one hundred million, two hundred two thousand, one hundred one".