101112221022121 has 8 divisors (see below), whose sum is σ = 102330901522080. Its totient is φ = 99893551497792.

The previous prime is 101112221022091. The next prime is 101112221022133. The reversal of 101112221022121 is 121220122211101.

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 101112221022121 - 2⁴³ = 92316127999913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101112221022181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16609681 + ... + 21865633.

It is an arithmetic number, because the mean of its divisors is an integer number (12791362690260).

Almost surely, 2^{101112221022121} is an apocalyptic number.

It is an amenable number.

101112221022121 is a deficient number, since it is larger than the sum of its proper divisors (1218680499959).

101112221022121 is an equidigital number, since it uses as much as digits as its factorization.

101112221022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487815.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101112221022121 its reverse (121220122211101), we get a palindrome (222332343233222).

The spelling of 101112221022121 in words is "one hundred one trillion, one hundred twelve billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty-one".