1101210120211 has 4 divisors (see below), whose sum is σ = 1105303838400. Its totient is φ = 1097116402024.

The previous prime is 1101210120209. The next prime is 1101210120223. The reversal of 1101210120211 is 1120210121011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1101210120211 - 2¹ = 1101210120209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101210120191 and 1101210120200.

It is not an unprimeable number, because it can be changed into a prime (1101210127211) 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, 2046858691 + ... + 2046859228.

It is an arithmetic number, because the mean of its divisors is an integer number (276325959600).

Almost surely, 2^{1101210120211} is an apocalyptic number.

1101210120211 is a deficient number, since it is larger than the sum of its proper divisors (4093718189).

1101210120211 is an equidigital number, since it uses as much as digits as its factorization.

1101210120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093718188.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1101210120211 its reverse (1120210121011), we get a palindrome (2221420241222).

The spelling of 1101210120211 in words is "one trillion, one hundred one billion, two hundred ten million, one hundred twenty thousand, two hundred eleven".