1101220120101 has 16 divisors (see below), whose sum is σ = 1471545432000. Its totient is φ = 732521499648.

The previous prime is 1101220120069. The next prime is 1101220120123. The reversal of 1101220120101 is 1010210221011.

It is not a de Polignac number, because 1101220120101 - 2⁵ = 1101220120069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220120001) 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, 6171205 + ... + 6347141.

It is an arithmetic number, because the mean of its divisors is an integer number (91971589500).

Almost surely, 2^{1101220120101} is an apocalyptic number.

It is an amenable number.

1101220120101 is a deficient number, since it is larger than the sum of its proper divisors (370325311899).

1101220120101 is a wasteful number, since it uses less digits than its factorization.

1101220120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180548.

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

Adding to 1101220120101 its reverse (1010210221011), we get a palindrome (2111430341112).

The spelling of 1101220120101 in words is "one trillion, one hundred one billion, two hundred twenty million, one hundred twenty thousand, one hundred one".