101202121 has 4 divisors (see below), whose sum is σ = 101224912. Its totient is φ = 101179332.

The previous prime is 101202119. The next prime is 101202131. The reversal of 101202121 is 121202101.

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 101202121 - 2¹ = 101202119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101202098 and 101202107.

It is not an unprimeable number, because it can be changed into a prime (101202131) 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, 2331 + ... + 14416.

It is an arithmetic number, because the mean of its divisors is an integer number (25306228).

Almost surely, 2^101202121 is an apocalyptic number.

It is an amenable number.

101202121 is a deficient number, since it is larger than the sum of its proper divisors (22791).

101202121 is an equidigital number, since it uses as much as digits as its factorization.

101202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22790.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 101202121 is about 10059.9264907851. The cubic root of 101202121 is about 466.0113970577.

Adding to 101202121 its reverse (121202101), we get a palindrome (222404222).

The spelling of 101202121 in words is "one hundred one million, two hundred two thousand, one hundred twenty-one".