1022112223121 has 8 divisors (see below), whose sum is σ = 1116664074144. Its totient is φ = 927832465120.

The previous prime is 1022112223019. The next prime is 1022112223177. The reversal of 1022112223121 is 1213222112201.

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

It is not a de Polignac number, because 1022112223121 - 2¹⁴ = 1022112206737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022112223093 and 1022112223102.

It is not an unprimeable number, because it can be changed into a prime (1022112223421) 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, 68015396 + ... + 68030421.

It is an arithmetic number, because the mean of its divisors is an integer number (139583009268).

Almost surely, 2^{1022112223121} is an apocalyptic number.

1022112223121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022112223121 is a deficient number, since it is larger than the sum of its proper divisors (94551851023).

1022112223121 is a wasteful number, since it uses less digits than its factorization.

1022112223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136046511.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1022112223121 its reverse (1213222112201), we get a palindrome (2235334335322).

The spelling of 1022112223121 in words is "one trillion, twenty-two billion, one hundred twelve million, two hundred twenty-three thousand, one hundred twenty-one".