101012120210121 has 8 divisors (see below), whose sum is σ = 134746992189600. Its totient is φ = 67309330852032.

The previous prime is 101012120210059. The next prime is 101012120210171. The reversal of 101012120210121 is 121012021210101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101012120210121 - 2¹⁹ = 101012119685833 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101012120210121.

It is not an unprimeable number, because it can be changed into a prime (101012120210171) 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, 8020648000 + ... + 8020660593.

It is an arithmetic number, because the mean of its divisors is an integer number (16843374023700).

Almost surely, 2^{101012120210121} is an apocalyptic number.

It is an amenable number.

101012120210121 is a deficient number, since it is larger than the sum of its proper divisors (33734871979479).

101012120210121 is a wasteful number, since it uses less digits than its factorization.

101012120210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16041310695.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101012120210121 its reverse (121012021210101), we get a palindrome (222024141420222).

The spelling of 101012120210121 in words is "one hundred one trillion, twelve billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-one".