1002122221101 has 8 divisors (see below), whose sum is σ = 1337961299520. Its totient is φ = 667182311712.

The previous prime is 1002122221081. The next prime is 1002122221123. The reversal of 1002122221101 is 1011222212001.

1002122221101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1002122221101 - 2²² = 1002118026797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002122221171) 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, 224789656 + ... + 224794113.

It is an arithmetic number, because the mean of its divisors is an integer number (167245162440).

Almost surely, 2^{1002122221101} is an apocalyptic number.

It is an amenable number.

1002122221101 is a deficient number, since it is larger than the sum of its proper divisors (335839078419).

1002122221101 is an equidigital number, since it uses as much as digits as its factorization.

1002122221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449584515.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002122221101 its reverse (1011222212001), we get a palindrome (2013344433102).

The spelling of 1002122221101 in words is "one trillion, two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred one".