10202122221121 has 8 divisors (see below), whose sum is σ = 10255100971904. Its totient is φ = 10149144687360.

The previous prime is 10202122221097. The next prime is 10202122221131. The reversal of 10202122221121 is 12112222120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10202122221121 - 2¹⁷ = 10202122090049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202122221131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20019340 + ... + 20522626.

It is an arithmetic number, because the mean of its divisors is an integer number (1281887621488).

Almost surely, 2^{10202122221121} is an apocalyptic number.

It is an amenable number.

10202122221121 is a deficient number, since it is larger than the sum of its proper divisors (52978750783).

10202122221121 is a wasteful number, since it uses less digits than its factorization.

10202122221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608511.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10202122221121 its reverse (12112222120201), we get a palindrome (22314344341322).

The spelling of 10202122221121 in words is "ten trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".