11021210100121 has 8 divisors (see below), whose sum is σ = 11984228459840. Its totient is φ = 10074653592912.

The previous prime is 11021210100097. The next prime is 11021210100127. The reversal of 11021210100121 is 12100101212011.

It is a happy number.

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 11021210100121 - 2⁷ = 11021210099993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11021210100127) 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, 4115461731 + ... + 4115464408.

It is an arithmetic number, because the mean of its divisors is an integer number (1498028557480).

Almost surely, 2^{11021210100121} is an apocalyptic number.

It is an amenable number.

11021210100121 is a deficient number, since it is larger than the sum of its proper divisors (963018359719).

11021210100121 is a wasteful number, since it uses less digits than its factorization.

11021210100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230926255.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11021210100121 its reverse (12100101212011), we get a palindrome (23121311312132).

The spelling of 11021210100121 in words is "eleven trillion, twenty-one billion, two hundred ten million, one hundred thousand, one hundred twenty-one".