3211121023121 has 16 divisors (see below), whose sum is σ = 3658698021888. Its totient is φ = 2789719534800.

The previous prime is 3211121023111. The next prime is 3211121023129. The reversal of 3211121023121 is 1213201211123.

3211121023121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3211121023121 - 2³⁰ = 3210047281297 is a prime.

It is a super-2 number, since 2×3211121023121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3211121023093 and 3211121023102.

It is not an unprimeable number, because it can be changed into a prime (3211121023129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5540741 + ... + 6092786.

It is an arithmetic number, because the mean of its divisors is an integer number (228668626368).

Almost surely, 2^{3211121023121} is an apocalyptic number.

It is an amenable number.

3211121023121 is a deficient number, since it is larger than the sum of its proper divisors (447576998767).

3211121023121 is a wasteful number, since it uses less digits than its factorization.

3211121023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11634652.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 3211121023121 its reverse (1213201211123), we get a palindrome (4424322234244).

The spelling of 3211121023121 in words is "three trillion, two hundred eleven billion, one hundred twenty-one million, twenty-three thousand, one hundred twenty-one".