101021111200121 has 4 divisors (see below), whose sum is σ = 115452698514432. Its totient is φ = 86589523885812.

The previous prime is 101021111200111. The next prime is 101021111200133. The reversal of 101021111200121 is 121002111120101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101021111200121 - 2¹⁴ = 101021111183737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021111200096 and 101021111200105.

It is not an unprimeable number, because it can be changed into a prime (101021111200111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215793657145 + ... + 7215793657158.

It is an arithmetic number, because the mean of its divisors is an integer number (28863174628608).

Almost surely, 2^{101021111200121} is an apocalyptic number.

It is an amenable number.

101021111200121 is a deficient number, since it is larger than the sum of its proper divisors (14431587314311).

101021111200121 is an equidigital number, since it uses as much as digits as its factorization.

101021111200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431587314310.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101021111200121 its reverse (121002111120101), we get a palindrome (222023222320222).

The spelling of 101021111200121 in words is "one hundred one trillion, twenty-one billion, one hundred eleven million, two hundred thousand, one hundred twenty-one".