11020123001001 has 8 divisors (see below), whose sum is σ = 14693515285824. Its totient is φ = 7346739691760.

The previous prime is 11020123000987. The next prime is 11020123001039. The reversal of 11020123001001 is 10010032102011.

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

It is a cyclic number.

It is not a de Polignac number, because 11020123001001 - 2⁶ = 11020123000937 is a prime.

It is a super-2 number, since 2×11020123001001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11020123000001) 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, 1525540 + ... + 4936346.

It is an arithmetic number, because the mean of its divisors is an integer number (1836689410728).

Almost surely, 2^{11020123001001} is an apocalyptic number.

It is an amenable number.

11020123001001 is a deficient number, since it is larger than the sum of its proper divisors (3673392284823).

11020123001001 is a wasteful number, since it uses less digits than its factorization.

11020123001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487791.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11020123001001 its reverse (10010032102011), we get a palindrome (21030155103012).

The spelling of 11020123001001 in words is "eleven trillion, twenty billion, one hundred twenty-three million, one thousand, one".