10221234121 has 16 divisors (see below), whose sum is σ = 12098822400. Its totient is φ = 8448729408.

The previous prime is 10221234119. The next prime is 10221234131. The reversal of 10221234121 is 12143212201.

It is not a de Polignac number, because 10221234121 - 2¹ = 10221234119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221234131) 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, 140311 + ... + 200323.

It is an arithmetic number, because the mean of its divisors is an integer number (756176400).

Almost surely, 2^10221234121 is an apocalyptic number.

It is an amenable number.

10221234121 is a deficient number, since it is larger than the sum of its proper divisors (1877588279).

10221234121 is an equidigital number, since it uses as much as digits as its factorization.

10221234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60888.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10221234121 its reverse (12143212201), we get a palindrome (22364446322).

The spelling of 10221234121 in words is "ten billion, two hundred twenty-one million, two hundred thirty-four thousand, one hundred twenty-one".