11020212022201 has 4 divisors (see below), whose sum is σ = 11121314884900. Its totient is φ = 10919109159504.

The previous prime is 11020212022163. The next prime is 11020212022229. The reversal of 11020212022201 is 10222021202011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2652585512976 + 8367626509225 = 1628676^2 + 2892685^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020212022201 - 2¹⁹ = 11020211497913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020212022271) 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, 50551431186 + ... + 50551431403.

It is an arithmetic number, because the mean of its divisors is an integer number (2780328721225).

Almost surely, 2^{11020212022201} is an apocalyptic number.

It is an amenable number.

11020212022201 is a deficient number, since it is larger than the sum of its proper divisors (101102862699).

11020212022201 is a wasteful number, since it uses less digits than its factorization.

11020212022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101102862698.

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

Adding to 11020212022201 its reverse (10222021202011), we get a palindrome (21242233224212).

The spelling of 11020212022201 in words is "eleven trillion, twenty billion, two hundred twelve million, twenty-two thousand, two hundred one".