11020220001001 has 8 divisors (see below), whose sum is σ = 11775518405640. Its totient is φ = 10276816059648.

The previous prime is 11020220000971. The next prime is 11020220001017. The reversal of 11020220001001 is 10010002202011.

It can be written as a sum of positive squares in 4 ways, for example, as 1703220755625 + 9316999245376 = 1305075^2 + 3052376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11020220001001 - 2⁵ = 11020220000969 is a prime.

It is a super-5 number, since 5×11020220001001⁵ (a number of 66 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020220008001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2973613906 + ... + 2973617611.

It is an arithmetic number, because the mean of its divisors is an integer number (1471939800705).

Almost surely, 2^{11020220001001} is an apocalyptic number.

It is an amenable number.

11020220001001 is a deficient number, since it is larger than the sum of its proper divisors (755298404639).

11020220001001 is a wasteful number, since it uses less digits than its factorization.

11020220001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947231643.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11020220001001 its reverse (10010002202011), we get a palindrome (21030222203012).

The spelling of 11020220001001 in words is "eleven trillion, twenty billion, two hundred twenty million, one thousand, one".