11212021020202 has 16 divisors (see below), whose sum is σ = 17510657386824. Its totient is φ = 5379618240000.

The previous prime is 11212021020173. The next prime is 11212021020247. The reversal of 11212021020202 is 20202012021211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 739684282401 + 10472336737801 = 860049^2 + 3236099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120748799 + ... + 1120758802.

Almost surely, 2^{11212021020202} is an apocalyptic number.

11212021020202 is a deficient number, since it is larger than the sum of its proper divisors (6298636366622).

11212021020202 is a wasteful number, since it uses less digits than its factorization.

11212021020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241507705.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11212021020202 its reverse (20202012021211), we get a palindrome (31414033041413).

The spelling of 11212021020202 in words is "eleven trillion, two hundred twelve billion, twenty-one million, twenty thousand, two hundred two".