11021001012212 has 6 divisors (see below), whose sum is σ = 19286751771378. Its totient is φ = 5510500506104.

The previous prime is 11021001012209. The next prime is 11021001012347. The reversal of 11021001012212 is 21221010012011.

It can be written as a sum of positive squares in only one way, i.e., 6906772949476 + 4114228062736 = 2628074^2 + 2028356^2 .

It is a super-2 number, since 2×11021001012212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377625126523 + ... + 1377625126530.

It is an arithmetic number, because the mean of its divisors is an integer number (3214458628563).

Almost surely, 2^{11021001012212} is an apocalyptic number.

It is an amenable number.

11021001012212 is a deficient number, since it is larger than the sum of its proper divisors (8265750759166).

11021001012212 is a wasteful number, since it uses less digits than its factorization.

11021001012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755250253057 (or 2755250253055 counting only the distinct ones).

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

Adding to 11021001012212 its reverse (21221010012011), we get a palindrome (32242011024223).

The spelling of 11021001012212 in words is "eleven trillion, twenty-one billion, one million, twelve thousand, two hundred twelve".