101201020021121 has 16 divisors (see below), whose sum is σ = 107797834247040. Its totient is φ = 94675763569920.

The previous prime is 101201020021111. The next prime is 101201020021183. The reversal of 101201020021121 is 121120020102101.

It is a cyclic number.

It is not a de Polignac number, because 101201020021121 - 2³⁴ = 101183840151937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201020021096 and 101201020021105.

It is not an unprimeable number, because it can be changed into a prime (101201020021111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151920386 + ... + 152585076.

It is an arithmetic number, because the mean of its divisors is an integer number (6737364640440).

Almost surely, 2^{101201020021121} is an apocalyptic number.

It is an amenable number.

101201020021121 is a deficient number, since it is larger than the sum of its proper divisors (6596814225919).

101201020021121 is a wasteful number, since it uses less digits than its factorization.

101201020021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718504.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101201020021121 its reverse (121120020102101), we get a palindrome (222321040123222).

The spelling of 101201020021121 in words is "one hundred one trillion, two hundred one billion, twenty million, twenty-one thousand, one hundred twenty-one".