1101201020121 has 16 divisors (see below), whose sum is σ = 1511180034624. Its totient is φ = 712762985664.

The previous prime is 1101201020119. The next prime is 1101201020141. The reversal of 1101201020121 is 1210201021011.

It is not a de Polignac number, because 1101201020121 - 2¹ = 1101201020119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101201020097 and 1101201020106.

It is not an unprimeable number, because it can be changed into a prime (1101201020141) 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, 10569930 + ... + 10673603.

It is an arithmetic number, because the mean of its divisors is an integer number (94448752164).

Almost surely, 2^{1101201020121} is an apocalyptic number.

It is an amenable number.

1101201020121 is a deficient number, since it is larger than the sum of its proper divisors (409979014503).

1101201020121 is a wasteful number, since it uses less digits than its factorization.

1101201020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21244040.

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

Adding to 1101201020121 its reverse (1210201021011), we get a palindrome (2311402041132).

The spelling of 1101201020121 in words is "one trillion, one hundred one billion, two hundred one million, twenty thousand, one hundred twenty-one".