1022111000121 has 8 divisors (see below), whose sum is σ = 1363035461760. Its totient is φ = 681296935952.

The previous prime is 1022111000111. The next prime is 1022111000147. The reversal of 1022111000121 is 1210001112201.

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 1022111000121 - 2¹⁹ = 1022110475833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1022111000097 and 1022111000106.

It is not an unprimeable number, because it can be changed into a prime (1022111000111) 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, 27577761 + ... + 27614798.

It is an arithmetic number, because the mean of its divisors is an integer number (170379432720).

Almost surely, 2^{1022111000121} is an apocalyptic number.

It is an amenable number.

1022111000121 is a deficient number, since it is larger than the sum of its proper divisors (340924461639).

1022111000121 is an equidigital number, since it uses as much as digits as its factorization.

1022111000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55198735.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1022111000121 its reverse (1210001112201), we get a palindrome (2232112112322).

The spelling of 1022111000121 in words is "one trillion, twenty-two billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.