101020121121 has 8 divisors (see below), whose sum is σ = 135377218944. Its totient is φ = 67004885360.

The previous prime is 101020121089. The next prime is 101020121123. The reversal of 101020121121 is 121121020101.

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 101020121121 - 2⁵ = 101020121089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101020121097 and 101020121106.

It is not an unprimeable number, because it can be changed into a prime (101020121123) 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, 85464825 + ... + 85466006.

It is an arithmetic number, because the mean of its divisors is an integer number (16922152368).

Almost surely, 2^101020121121 is an apocalyptic number.

It is an amenable number.

101020121121 is a deficient number, since it is larger than the sum of its proper divisors (34357097823).

101020121121 is a wasteful number, since it uses less digits than its factorization.

101020121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170931031.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101020121121 its reverse (121121020101), we get a palindrome (222141141222).

The spelling of 101020121121 in words is "one hundred one billion, twenty million, one hundred twenty-one thousand, one hundred twenty-one".