3221012020101 has 4 divisors (see below), whose sum is σ = 4294682693472. Its totient is φ = 2147341346732.

The previous prime is 3221012020067. The next prime is 3221012020123. The reversal of 3221012020101 is 1010202101223.

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.

It is a cyclic number.

It is not a de Polignac number, because 3221012020101 - 2¹⁰ = 3221012019077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221012020141) 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, 536835336681 + ... + 536835336686.

It is an arithmetic number, because the mean of its divisors is an integer number (1073670673368).

Almost surely, 2^{3221012020101} is an apocalyptic number.

It is an amenable number.

3221012020101 is a deficient number, since it is larger than the sum of its proper divisors (1073670673371).

3221012020101 is a wasteful number, since it uses less digits than its factorization.

3221012020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073670673370.

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

Adding to 3221012020101 its reverse (1010202101223), we get a palindrome (4231214121324).

The spelling of 3221012020101 in words is "three trillion, two hundred twenty-one billion, twelve million, twenty thousand, one hundred one".