11012002012121 has 8 divisors (see below), whose sum is σ = 12013568102304. Its totient is φ = 10010515088320.

The previous prime is 11012002012069. The next prime is 11012002012133. The reversal of 11012002012121 is 12121020021011.

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 11012002012121 - 2¹⁸ = 11012001749977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012002012096 and 11012002012105.

It is not an unprimeable number, because it can be changed into a prime (11012002012181) 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, 19500560 + ... + 20057313.

It is an arithmetic number, because the mean of its divisors is an integer number (1501696012788).

Almost surely, 2^{11012002012121} is an apocalyptic number.

11012002012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11012002012121 is a deficient number, since it is larger than the sum of its proper divisors (1001566090183).

11012002012121 is a wasteful number, since it uses less digits than its factorization.

11012002012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39583191.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11012002012121 its reverse (12121020021011), we get a palindrome (23133022033132).

The spelling of 11012002012121 in words is "eleven trillion, twelve billion, two million, twelve thousand, one hundred twenty-one".