101110001220121 has 8 divisors (see below), whose sum is σ = 101158009729920. Its totient is φ = 101061996034608.

The previous prime is 101110001220113. The next prime is 101110001220143. The reversal of 101110001220121 is 121022100011101.

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 101110001220121 - 2³ = 101110001220113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101110701220121) 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, 61108710 + ... + 62741488.

It is an arithmetic number, because the mean of its divisors is an integer number (12644751216240).

Almost surely, 2^{101110001220121} is an apocalyptic number.

It is an amenable number.

101110001220121 is a deficient number, since it is larger than the sum of its proper divisors (48008509799).

101110001220121 is a wasteful number, since it uses less digits than its factorization.

101110001220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662143.

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

Adding to 101110001220121 its reverse (121022100011101), we get a palindrome (222132101231222).

The spelling of 101110001220121 in words is "one hundred one trillion, one hundred ten billion, one million, two hundred twenty thousand, one hundred twenty-one".