100222121022121 has 8 divisors (see below), whose sum is σ = 114633683216640. Its totient is φ = 85834087911168.

The previous prime is 100222121022097. The next prime is 100222121022137. The reversal of 100222121022121 is 121220121222001.

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 100222121022121 - 2⁷ = 100222121021993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100222121022151) 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, 5882261761 + ... + 5882278798.

It is an arithmetic number, because the mean of its divisors is an integer number (14329210402080).

Almost surely, 2^{100222121022121} is an apocalyptic number.

It is an amenable number.

100222121022121 is a deficient number, since it is larger than the sum of its proper divisors (14411562194519).

100222121022121 is a wasteful number, since it uses less digits than its factorization.

100222121022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764541783.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100222121022121 its reverse (121220121222001), we get a palindrome (221442242244122).

The spelling of 100222121022121 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-one".