1021112213101 has 8 divisors (see below), whose sum is σ = 1056528364320. Its totient is φ = 985709754288.

The previous prime is 1021112213081. The next prime is 1021112213111. The reversal of 1021112213101 is 1013122111201.

It is a happy number.

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 1021112213101 - 2⁷ = 1021112212973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021112213111) 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, 3271251 + ... + 3569776.

It is an arithmetic number, because the mean of its divisors is an integer number (132066045540).

Almost surely, 2^{1021112213101} is an apocalyptic number.

It is an amenable number.

1021112213101 is a deficient number, since it is larger than the sum of its proper divisors (35416151219).

1021112213101 is an equidigital number, since it uses as much as digits as its factorization.

1021112213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846203.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1021112213101 its reverse (1013122111201), we get a palindrome (2034234324302).

The spelling of 1021112213101 in words is "one trillion, twenty-one billion, one hundred twelve million, two hundred thirteen thousand, one hundred one".