101012021202121 has 4 divisors (see below), whose sum is σ = 101089306606032. Its totient is φ = 100934735798212.

The previous prime is 101012021202109. The next prime is 101012021202163. The reversal of 101012021202121 is 121202120210101.

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 a de Polignac number, because none of the positive numbers 2^k-101012021202121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101012021202095 and 101012021202104.

It is not an unprimeable number, because it can be changed into a prime (101012021202721) 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, 38642699995 + ... + 38642702608.

It is an arithmetic number, because the mean of its divisors is an integer number (25272326651508).

Almost surely, 2^{101012021202121} is an apocalyptic number.

It is an amenable number.

101012021202121 is a deficient number, since it is larger than the sum of its proper divisors (77285403911).

101012021202121 is an equidigital number, since it uses as much as digits as its factorization.

101012021202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77285403910.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101012021202121 its reverse (121202120210101), we get a palindrome (222214141412222).

The spelling of 101012021202121 in words is "one hundred one trillion, twelve billion, twenty-one million, two hundred two thousand, one hundred twenty-one".