11020220101012 has 12 divisors (see below), whose sum is σ = 20419819599060. Its totient is φ = 5185985929856.

The previous prime is 11020220100991. The next prime is 11020220101013. The reversal of 11020220101012 is 21010102202011.

It can be written as a sum of positive squares in 2 ways, for example, as 8780755738756 + 2239464362256 = 2963234^2 + 1496484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11020220100983 and 11020220101001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020220101013) 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, 81031030087 + ... + 81031030222.

It is an arithmetic number, because the mean of its divisors is an integer number (1701651633255).

Almost surely, 2^{11020220101012} is an apocalyptic number.

It is an amenable number.

11020220101012 is a deficient number, since it is larger than the sum of its proper divisors (9399599498048).

11020220101012 is a wasteful number, since it uses less digits than its factorization.

11020220101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162062060330 (or 162062060328 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11020220101012 its reverse (21010102202011), we get a palindrome (32030322303023).

The spelling of 11020220101012 in words is "eleven trillion, twenty billion, two hundred twenty million, one hundred one thousand, twelve".