101201212222121 has 8 divisors (see below), whose sum is σ = 110423231856000. Its totient is φ = 91982844160240.

The previous prime is 101201212222111. The next prime is 101201212222127. The reversal of 101201212222121 is 121222212102101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101201212222121 - 2¹⁰ = 101201212221097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201212222093 and 101201212222102.

It is not an unprimeable number, because it can be changed into a prime (101201212222127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912835046 + ... + 912945903.

It is an arithmetic number, because the mean of its divisors is an integer number (13802903982000).

Almost surely, 2^{101201212222121} is an apocalyptic number.

101201212222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101201212222121 is a deficient number, since it is larger than the sum of its proper divisors (9222019633879).

101201212222121 is a wasteful number, since it uses less digits than its factorization.

101201212222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825785999.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101201212222121 its reverse (121222212102101), we get a palindrome (222423424324222).

The spelling of 101201212222121 in words is "one hundred one trillion, two hundred one billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".