11012221010121 has 8 divisors (see below), whose sum is σ = 14687263429440. Its totient is φ = 7339329632112.

The previous prime is 11012221010107. The next prime is 11012221010123. The reversal of 11012221010121 is 12101012221011.

It is a happy number.

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

It is not a de Polignac number, because 11012221010121 - 2¹⁵ = 11012220977353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11012221010121.

It is not an unprimeable number, because it can be changed into a prime (11012221010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537748381 + ... + 537768858.

It is an arithmetic number, because the mean of its divisors is an integer number (1835907928680).

Almost surely, 2^{11012221010121} is an apocalyptic number.

It is an amenable number.

11012221010121 is a deficient number, since it is larger than the sum of its proper divisors (3675042419319).

11012221010121 is a wasteful number, since it uses less digits than its factorization.

11012221010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075520655.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11012221010121 its reverse (12101012221011), we get a palindrome (23113233231132).

The spelling of 11012221010121 in words is "eleven trillion, twelve billion, two hundred twenty-one million, ten thousand, one hundred twenty-one".