101212133202121 has 16 divisors (see below), whose sum is σ = 112830493824000. Its totient is φ = 90347358605328.

The previous prime is 101212133202101. The next prime is 101212133202139. The reversal of 101212133202121 is 121202331212101.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101212133202121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101212133202092 and 101212133202101.

It is not an unprimeable number, because it can be changed into a prime (101212133202101) 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, 1728379021 + ... + 1728437578.

It is an arithmetic number, because the mean of its divisors is an integer number (7051905864000).

Almost surely, 2^{101212133202121} is an apocalyptic number.

It is an amenable number.

101212133202121 is a deficient number, since it is larger than the sum of its proper divisors (11618360621879).

101212133202121 is a wasteful number, since it uses less digits than its factorization.

101212133202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456816708.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 101212133202121 its reverse (121202331212101), we get a palindrome (222414464414222).

The spelling of 101212133202121 in words is "one hundred one trillion, two hundred twelve billion, one hundred thirty-three million, two hundred two thousand, one hundred twenty-one".