101012020121 has 8 divisors (see below), whose sum is σ = 103365440640. Its totient is φ = 98658795312.

The previous prime is 101012020069. The next prime is 101012020141. The reversal of 101012020121 is 121020210101.

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 101012020121 - 2²⁶ = 100944911257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101012020141) 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, 1794320 + ... + 1849758.

It is an arithmetic number, because the mean of its divisors is an integer number (12920680080).

Almost surely, 2^101012020121 is an apocalyptic number.

It is an amenable number.

101012020121 is a deficient number, since it is larger than the sum of its proper divisors (2353420519).

101012020121 is an equidigital number, since it uses as much as digits as its factorization.

101012020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97855.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101012020121 its reverse (121020210101), we get a palindrome (222032230222).

The spelling of 101012020121 in words is "one hundred one billion, twelve million, twenty thousand, one hundred twenty-one".