101042202121 has 4 divisors (see below), whose sum is σ = 115476802432. Its totient is φ = 86607601812.

The previous prime is 101042202119. The next prime is 101042202181. The reversal of 101042202121 is 121202240101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121202240101 = 8081 ⋅14998421.

It is a cyclic number.

It is not a de Polignac number, because 101042202121 - 2¹ = 101042202119 is a prime.

It is a super-2 number, since 2×101042202121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101042202095 and 101042202104.

It is not an unprimeable number, because it can be changed into a prime (101042202181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7217300145 + ... + 7217300158.

It is an arithmetic number, because the mean of its divisors is an integer number (28869200608).

Almost surely, 2^101042202121 is an apocalyptic number.

It is an amenable number.

101042202121 is a deficient number, since it is larger than the sum of its proper divisors (14434600311).

101042202121 is an equidigital number, since it uses as much as digits as its factorization.

101042202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14434600310.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101042202121 its reverse (121202240101), we get a palindrome (222244442222).

The spelling of 101042202121 in words is "one hundred one billion, forty-two million, two hundred two thousand, one hundred twenty-one".