1022120200038 has 128 divisors (see below), whose sum is σ = 2489325281280. Its totient is φ = 273293982720.

The previous prime is 1022120200037. The next prime is 1022120200039. The reversal of 1022120200038 is 8300020212201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1022120200037) and next prime (1022120200039).

It is a super-2 number, since 2×1022120200038² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1022120199987 and 1022120200023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022120200037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30124303 + ... + 30158213.

It is an arithmetic number, because the mean of its divisors is an integer number (19447853760).

Almost surely, 2^{1022120200038} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022120200038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244662640640).

1022120200038 is an abundant number, since it is smaller than the sum of its proper divisors (1467205081242).

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

1022120200038 is a wasteful number, since it uses less digits than its factorization.

1022120200038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34402.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1022120200038 its reverse (8300020212201), we get a palindrome (9322140412239).

The spelling of 1022120200038 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred thousand, thirty-eight".