1101211210011 has 32 divisors (see below), whose sum is σ = 1629292158720. Its totient is φ = 661494261120.

The previous prime is 1101211210009. The next prime is 1101211210019. The reversal of 1101211210011 is 1100121121011.

It is not a de Polignac number, because 1101211210011 - 2¹ = 1101211210009 is a prime.

It is a super-2 number, since 2×1101211210011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101211210019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 769081 + ... + 1671498.

It is an arithmetic number, because the mean of its divisors is an integer number (50915379960).

Almost surely, 2^{1101211210011} is an apocalyptic number.

1101211210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101211210011 is a deficient number, since it is larger than the sum of its proper divisors (528080948709).

1101211210011 is a wasteful number, since it uses less digits than its factorization.

1101211210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440728 (or 2440706 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1101211210011 its reverse (1100121121011), we get a palindrome (2201332331022).

The spelling of 1101211210011 in words is "one trillion, one hundred one billion, two hundred eleven million, two hundred ten thousand, eleven".