1033221232121 has 32 divisors (see below), whose sum is σ = 1178255084160. Its totient is φ = 899121129984.

The previous prime is 1033221232111. The next prime is 1033221232123. The reversal of 1033221232121 is 1212321223301.

1033221232121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1033221232121 - 2³⁸ = 758343325177 is a prime.

It is a super-2 number, since 2×1033221232121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1033221232123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53600141 + ... + 53619413.

It is an arithmetic number, because the mean of its divisors is an integer number (36820471380).

Almost surely, 2^{1033221232121} is an apocalyptic number.

It is an amenable number.

1033221232121 is a deficient number, since it is larger than the sum of its proper divisors (145033852039).

1033221232121 is a wasteful number, since it uses less digits than its factorization.

1033221232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22665.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1033221232121 its reverse (1212321223301), we get a palindrome (2245542455422).

The spelling of 1033221232121 in words is "one trillion, thirty-three billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred twenty-one".