1002022000122 has 128 divisors (see below), whose sum is σ = 2403044340480. Its totient is φ = 274513674240.

The previous prime is 1002022000093. The next prime is 1002022000141. The reversal of 1002022000122 is 2210002202001.

It is a junction number, because it is equal to n+sod(n) for n = 1002022000098 and 1002022000107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26219404 + ... + 26257592.

It is an arithmetic number, because the mean of its divisors is an integer number (18773783910).

Almost surely, 2^{1002022000122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002022000122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201522170240).

1002022000122 is an abundant number, since it is smaller than the sum of its proper divisors (1401022340358).

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

1002022000122 is a wasteful number, since it uses less digits than its factorization.

1002022000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38848.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1002022000122 its reverse (2210002202001), we get a palindrome (3212024202123).

The spelling of 1002022000122 in words is "one trillion, two billion, twenty-two million, one hundred twenty-two", and thus it is an aban number.