33421022101 has 4 divisors (see below), whose sum is σ = 33447194892. Its totient is φ = 33394849312.

The previous prime is 33421022099. The next prime is 33421022123. The reversal of 33421022101 is 10122012433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10122012433 = 13 ⋅778616341.

It can be written as a sum of positive squares in 2 ways, for example, as 28124967025 + 5296055076 = 167705^2 + 72774^2 .

It is a cyclic number.

It is not a de Polignac number, because 33421022101 - 2¹ = 33421022099 is a prime.

It is a super-2 number, since 2×33421022101² (a number of 22 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 (33421022161) 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, 13084480 + ... + 13087033.

It is an arithmetic number, because the mean of its divisors is an integer number (8361798723).

Almost surely, 2^33421022101 is an apocalyptic number.

It is an amenable number.

33421022101 is a deficient number, since it is larger than the sum of its proper divisors (26172791).

33421022101 is a wasteful number, since it uses less digits than its factorization.

33421022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26172790.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 33421022101 its reverse (10122012433), we get a palindrome (43543034534).

The spelling of 33421022101 in words is "thirty-three billion, four hundred twenty-one million, twenty-two thousand, one hundred one".