102421131101 has 4 divisors (see below), whose sum is σ = 102478576032. Its totient is φ = 102363686172.

The previous prime is 102421131079. The next prime is 102421131139. The reversal of 102421131101 is 101131124201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101131124201 = 71 ⋅1424382031.

It is a cyclic number.

It is not a de Polignac number, because 102421131101 - 2¹⁴ = 102421114717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102421131101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102421131161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28719791 + ... + 28723356.

It is an arithmetic number, because the mean of its divisors is an integer number (25619644008).

Almost surely, 2^102421131101 is an apocalyptic number.

It is an amenable number.

102421131101 is a deficient number, since it is larger than the sum of its proper divisors (57444931).

102421131101 is an equidigital number, since it uses as much as digits as its factorization.

102421131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57444930.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102421131101 its reverse (101131124201), we get a palindrome (203552255302).

The spelling of 102421131101 in words is "one hundred two billion, four hundred twenty-one million, one hundred thirty-one thousand, one hundred one".