100222021020121 has 32 divisors (see below), whose sum is σ = 134656829411328. Its totient is φ = 72037947551040.

The previous prime is 100222021020103. The next prime is 100222021020127. The reversal of 100222021020121 is 121020120222001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100222021020121 - 2⁹ = 100222021019609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100222021020095 and 100222021020104.

It is not an unprimeable number, because it can be changed into a prime (100222021020127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33147925 + ... + 36044818.

It is an arithmetic number, because the mean of its divisors is an integer number (4208025919104).

Almost surely, 2^{100222021020121} is an apocalyptic number.

100222021020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100222021020121 is a deficient number, since it is larger than the sum of its proper divisors (34434808391207).

100222021020121 is a wasteful number, since it uses less digits than its factorization.

100222021020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69194221.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100222021020121 its reverse (121020120222001), we get a palindrome (221242141242122).

The spelling of 100222021020121 in words is "one hundred trillion, two hundred twenty-two billion, twenty-one million, twenty thousand, one hundred twenty-one".