101010302121 has 32 divisors (see below), whose sum is σ = 140211440640. Its totient is φ = 64640721600.

The previous prime is 101010302117. The next prime is 101010302123. The reversal of 101010302121 is 121203010101.

It is not a de Polignac number, because 101010302121 - 2² = 101010302117 is a prime.

It is a super-2 number, since 2×101010302121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101010302097 and 101010302106.

It is not an unprimeable number, because it can be changed into a prime (101010302123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1953876 + ... + 2004906.

It is an arithmetic number, because the mean of its divisors is an integer number (4381607520).

Almost surely, 2^101010302121 is an apocalyptic number.

It is an amenable number.

101010302121 is a deficient number, since it is larger than the sum of its proper divisors (39201138519).

101010302121 is a wasteful number, since it uses less digits than its factorization.

101010302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51357.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101010302121 its reverse (121203010101), we get a palindrome (222213312222).

The spelling of 101010302121 in words is "one hundred one billion, ten million, three hundred two thousand, one hundred twenty-one".