1012101222121 has 8 divisors (see below), whose sum is σ = 1104382622304. Its totient is φ = 919865188320.

The previous prime is 1012101222113. The next prime is 1012101222173. The reversal of 1012101222121 is 1212221012101.

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 1012101222121 - 2³ = 1012101222113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012101222095 and 1012101222104.

It is not an unprimeable number, because it can be changed into a prime (1012101222421) 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, 11294935 + ... + 11384188.

It is an arithmetic number, because the mean of its divisors is an integer number (138047827788).

Almost surely, 2^{1012101222121} is an apocalyptic number.

1012101222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012101222121 is a deficient number, since it is larger than the sum of its proper divisors (92281400183).

1012101222121 is a wasteful number, since it uses less digits than its factorization.

1012101222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22683191.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012101222121 its reverse (1212221012101), we get a palindrome (2224322234222).

The spelling of 1012101222121 in words is "one trillion, twelve billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-one".