1101101021201 has 4 divisors (see below), whose sum is σ = 1101155194932. Its totient is φ = 1101046847472.

The previous prime is 1101101021171. The next prime is 1101101021221. The reversal of 1101101021201 is 1021201011011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1035794707600 + 65306313601 = 1017740^2 + 255551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101101021201 - 2³⁸ = 826223114257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101101021221) 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, 27056366 + ... + 27097031.

It is an arithmetic number, because the mean of its divisors is an integer number (275288798733).

Almost surely, 2^{1101101021201} is an apocalyptic number.

It is an amenable number.

1101101021201 is a deficient number, since it is larger than the sum of its proper divisors (54173731).

1101101021201 is an equidigital number, since it uses as much as digits as its factorization.

1101101021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54173730.

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

Adding to 1101101021201 its reverse (1021201011011), we get a palindrome (2122302032212).

It can be divided in two parts, 110110 and 1021201, that added together give a palindrome (1131311).

The spelling of 1101101021201 in words is "one trillion, one hundred one billion, one hundred one million, twenty-one thousand, two hundred one".