1100211222101 has 8 divisors (see below), whose sum is σ = 1111660928280. Its totient is φ = 1088763706368.

The previous prime is 1100211222079. The next prime is 1100211222109. The reversal of 1100211222101 is 1012221120011.

It can be written as a sum of positive squares in 4 ways, for example, as 689780080900 + 410431141201 = 830530^2 + 640649^2 .

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 1100211222101 - 2³⁴ = 1083031352917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100211222109) 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, 471995 + ... + 1556663.

It is an arithmetic number, because the mean of its divisors is an integer number (138957616035).

Almost surely, 2^{1100211222101} is an apocalyptic number.

It is an amenable number.

1100211222101 is a deficient number, since it is larger than the sum of its proper divisors (11449706179).

1100211222101 is a wasteful number, since it uses less digits than its factorization.

1100211222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095223.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1100211222101 its reverse (1012221120011), we get a palindrome (2112432342112).

The spelling of 1100211222101 in words is "one trillion, one hundred billion, two hundred eleven million, two hundred twenty-two thousand, one hundred one".