1030120522550 has 24 divisors (see below), whose sum is σ = 2189741911536. Its totient is φ = 353184179040.

The previous prime is 1030120522531. The next prime is 1030120522553. The reversal of 1030120522550 is 552250210301.

It is a super-2 number, since 2×1030120522550² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030120522553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1471600397 + ... + 1471601096.

It is an arithmetic number, because the mean of its divisors is an integer number (91239246314).

Almost surely, 2^{1030120522550} is an apocalyptic number.

1030120522550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030120522550 is an abundant number, since it is smaller than the sum of its proper divisors (1159621388986).

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

1030120522550 is a wasteful number, since it uses less digits than its factorization.

1030120522550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943201512 (or 2943201507 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 1030120522550 its reverse (552250210301), we get a palindrome (1582370732851).

The spelling of 1030120522550 in words is "one trillion, thirty billion, one hundred twenty million, five hundred twenty-two thousand, five hundred fifty".