11021211011012 has 6 divisors (see below), whose sum is σ = 19287119269278. Its totient is φ = 5510605505504.

The previous prime is 11021211010991. The next prime is 11021211011023. The reversal of 11021211011012 is 21011011212011.

It can be written as a sum of positive squares in only one way, i.e., 8092067758336 + 2929143252676 = 2844656^2 + 1711474^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377651376373 + ... + 1377651376380.

It is an arithmetic number, because the mean of its divisors is an integer number (3214519878213).

Almost surely, 2^{11021211011012} is an apocalyptic number.

It is an amenable number.

11021211011012 is a deficient number, since it is larger than the sum of its proper divisors (8265908258266).

11021211011012 is a wasteful number, since it uses less digits than its factorization.

11021211011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755302752757 (or 2755302752755 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11021211011012 its reverse (21011011212011), we get a palindrome (32032222223023).

The spelling of 11021211011012 in words is "eleven trillion, twenty-one billion, two hundred eleven million, eleven thousand, twelve".