1011212200011 has 16 divisors (see below), whose sum is σ = 1452129776384. Its totient is φ = 622227528864.

The previous prime is 1011212200007. The next prime is 1011212200039. The reversal of 1011212200011 is 1100022121101.

It is not a de Polignac number, because 1011212200011 - 2² = 1011212200007 is a prime.

It is a super-2 number, since 2×1011212200011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011212200011.

It is not an unprimeable number, because it can be changed into a prime (1011212200051) 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, 751471 + ... + 1608456.

It is an arithmetic number, because the mean of its divisors is an integer number (90758111024).

Almost surely, 2^{1011212200011} is an apocalyptic number.

1011212200011 is a deficient number, since it is larger than the sum of its proper divisors (440917576373).

1011212200011 is a wasteful number, since it uses less digits than its factorization.

1011212200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370930.

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

Adding to 1011212200011 its reverse (1100022121101), we get a palindrome (2111234321112).

The spelling of 1011212200011 in words is "one trillion, eleven billion, two hundred twelve million, two hundred thousand, eleven".