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1030222301021 = 1049982099429
BaseRepresentation
bin11101111110111100000…
…10001100011101011101
310122111011222000101112022
432333132002030131131
5113334343402113041
62105135543145525
7134300604033554
oct16773602143535
93574158011468
101030222301021
11367a076a3a81
121477b74452a5
13761c37257b4
1437c121dad9b
151bbe9b5224b
hexefde08c75d

1030222301021 has 4 divisors (see below), whose sum is σ = 1031204401500. Its totient is φ = 1029240200544.

The previous prime is 1030222300979. The next prime is 1030222301023. The reversal of 1030222301021 is 1201032220301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 616831168996 + 413391132025 = 785386^2 + 642955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030222301021 - 218 = 1030222038877 is a prime.

It is a super-2 number, since 2×10302223010212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030222301023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491048666 + ... + 491050763.

It is an arithmetic number, because the mean of its divisors is an integer number (257801100375).

Almost surely, 21030222301021 is an apocalyptic number.

It is an amenable number.

1030222301021 is a deficient number, since it is larger than the sum of its proper divisors (982100479).

1030222301021 is an equidigital number, since it uses as much as digits as its factorization.

1030222301021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982100478.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1030222301021 its reverse (1201032220301), we get a palindrome (2231254521322).

The spelling of 1030222301021 in words is "one trillion, thirty billion, two hundred twenty-two million, three hundred one thousand, twenty-one".

Divisors: 1 1049 982099429 1030222301021