110100102421 has 8 divisors (see below), whose sum is σ = 117250435224. Its totient is φ = 103024642560.

The previous prime is 110100102397. The next prime is 110100102449. The reversal of 110100102421 is 124201001011.

It can be written as a sum of positive squares in 4 ways, for example, as 17388378225 + 92711724196 = 131865^2 + 304486^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110100102421 - 2¹¹ = 110100100373 is a prime.

It is a super-2 number, since 2×110100102421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110100102461) 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 7 ways as a sum of consecutive naturals, for example, 18715200 + ... + 18721081.

It is an arithmetic number, because the mean of its divisors is an integer number (14656304403).

Almost surely, 2^110100102421 is an apocalyptic number.

It is an amenable number.

110100102421 is a deficient number, since it is larger than the sum of its proper divisors (7150332803).

110100102421 is a wasteful number, since it uses less digits than its factorization.

110100102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37436471.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110100102421 its reverse (124201001011), we get a palindrome (234301103432).

It can be divided in two parts, 110100 and 102421, that added together give a square (212521 = 461²).

The spelling of 110100102421 in words is "one hundred ten billion, one hundred million, one hundred two thousand, four hundred twenty-one".