102121301131 has 4 divisors (see below), whose sum is σ = 102124232872. Its totient is φ = 102118369392.

The previous prime is 102121301119. The next prime is 102121301141. The reversal of 102121301131 is 131103121201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102121301131 - 2¹¹ = 102121299083 is a prime.

It is a super-2 number, since 2×102121301131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121301111) 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, 1412985 + ... + 1483498.

It is an arithmetic number, because the mean of its divisors is an integer number (25531058218).

Almost surely, 2^102121301131 is an apocalyptic number.

102121301131 is a deficient number, since it is larger than the sum of its proper divisors (2931741).

102121301131 is an equidigital number, since it uses as much as digits as its factorization.

102121301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931740.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 102121301131 its reverse (131103121201), we get a palindrome (233224422332).

The spelling of 102121301131 in words is "one hundred two billion, one hundred twenty-one million, three hundred one thousand, one hundred thirty-one".