11020220021131 has 2 divisors, whose sum is σ = 11020220021132. Its totient is φ = 11020220021130.

The previous prime is 11020220021119. The next prime is 11020220021207. The reversal of 11020220021131 is 13112002202011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11020220021131 - 2²³ = 11020211632523 is a prime.

It is a super-2 number, since 2×11020220021131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11020220021101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510110010565 + 5510110010566.

It is an arithmetic number, because the mean of its divisors is an integer number (5510110010566).

Almost surely, 2^{11020220021131} is an apocalyptic number.

11020220021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020220021131 is an equidigital number, since it uses as much as digits as its factorization.

11020220021131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11020220021131 its reverse (13112002202011), we get a palindrome (24132222223142).

The spelling of 11020220021131 in words is "eleven trillion, twenty billion, two hundred twenty million, twenty-one thousand, one hundred thirty-one".