1011122022012 has 96 divisors (see below), whose sum is σ = 2531221346304. Its totient is φ = 313362086400.

The previous prime is 1011122021993. The next prime is 1011122022059. The reversal of 1011122022012 is 2102202211101.

It is a junction number, because it is equal to n+sod(n) for n = 1011122021982 and 1011122022000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2901778 + ... + 3231494.

It is an arithmetic number, because the mean of its divisors is an integer number (26366889024).

Almost surely, 2^{1011122022012} is an apocalyptic number.

1011122022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011122022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265610673152).

1011122022012 is an abundant number, since it is smaller than the sum of its proper divisors (1520099324292).

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

1011122022012 is a wasteful number, since it uses less digits than its factorization.

1011122022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330059 (or 330057 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1011122022012 its reverse (2102202211101), we get a palindrome (3113324233113).

The spelling of 1011122022012 in words is "one trillion, eleven billion, one hundred twenty-two million, twenty-two thousand, twelve".