2121034101 has 8 divisors (see below), whose sum is σ = 2844980544. Its totient is φ = 1405555200.

The previous prime is 2121034093. The next prime is 2121034109. The reversal of 2121034101 is 1014301212.

It is an interprime number because it is at equal distance from previous prime (2121034093) and next prime (2121034109).

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

It is not a de Polignac number, because 2121034101 - 2³ = 2121034093 is a prime.

It is a super-3 number, since 3×2121034101³ (a number of 29 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121034109) 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, 2116300 + ... + 2117301.

It is an arithmetic number, because the mean of its divisors is an integer number (355622568).

Almost surely, 2^2121034101 is an apocalyptic number.

It is an amenable number.

2121034101 is a deficient number, since it is larger than the sum of its proper divisors (723946443).

2121034101 is a wasteful number, since it uses less digits than its factorization.

2121034101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233771.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2121034101 is about 46054.6859830789. The cubic root of 2121034101 is about 1284.8404977979.

Adding to 2121034101 its reverse (1014301212), we get a palindrome (3135335313).

The spelling of 2121034101 in words is "two billion, one hundred twenty-one million, thirty-four thousand, one hundred one".