1011121000122 has 32 divisors (see below), whose sum is σ = 2110376568960. Its totient is φ = 322354169280.

The previous prime is 1011121000121. The next prime is 1011121000129. The reversal of 1011121000122 is 2210001211101.

It is a junction number, because it is equal to n+sod(n) for n = 1011121000098 and 1011121000107.

It is not an unprimeable number, because it can be changed into a prime (1011121000121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038204 + ... + 1760712.

It is an arithmetic number, because the mean of its divisors is an integer number (65949267780).

Almost surely, 2^{1011121000122} is an apocalyptic number.

1011121000122 is an abundant number, since it is smaller than the sum of its proper divisors (1099255568838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011121000122 is a wasteful number, since it uses less digits than its factorization.

1011121000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732678.

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

Adding to 1011121000122 its reverse (2210001211101), we get a palindrome (3221122211223).

The spelling of 1011121000122 in words is "one trillion, eleven billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.