11021001222121 has 8 divisors (see below), whose sum is σ = 12031744320288. Its totient is φ = 10011730440000.

The previous prime is 11021001222109. The next prime is 11021001222149. The reversal of 11021001222121 is 12122210012011.

11021001222121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021001222121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021001222095 and 11021001222104.

It is not an unprimeable number, because it can be changed into a prime (11021001222191) 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, 368063355 + ... + 368093296.

It is an arithmetic number, because the mean of its divisors is an integer number (1503968040036).

Almost surely, 2^{11021001222121} is an apocalyptic number.

11021001222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11021001222121 is a deficient number, since it is larger than the sum of its proper divisors (1010743098167).

11021001222121 is a wasteful number, since it uses less digits than its factorization.

11021001222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736158023.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021001222121 its reverse (12122210012011), we get a palindrome (23143211234132).

The spelling of 11021001222121 in words is "eleven trillion, twenty-one billion, one million, two hundred twenty-two thousand, one hundred twenty-one".