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1030122221213 = 10110199229913
BaseRepresentation
bin11101111110110000001…
…00011010111010011101
310122110220222200210211202
432333120010122322131
5113334142242034323
62105122010125245
7134265250256651
oct16773004327235
93573828623752
101030122221213
11367966158598
12147789a20825
13761a8a84887
1437c02bc8a61
151bbe0e83d28
hexefd811ae9d

1030122221213 has 4 divisors (see below), whose sum is σ = 1040321451228. Its totient is φ = 1019922991200.

The previous prime is 1030122221189. The next prime is 1030122221221. The reversal of 1030122221213 is 3121222210301.

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 1014536446564 + 15585774649 = 1007242^2 + 124843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1030122221213 is a prime.

It is a super-2 number, since 2×10301222212132 (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 (1030122220213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5099614856 + ... + 5099615057.

It is an arithmetic number, because the mean of its divisors is an integer number (260080362807).

Almost surely, 21030122221213 is an apocalyptic number.

It is an amenable number.

1030122221213 is a deficient number, since it is larger than the sum of its proper divisors (10199230015).

1030122221213 is a wasteful number, since it uses less digits than its factorization.

1030122221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199230014.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1030122221213 its reverse (3121222210301), we get a palindrome (4151344431514).

The spelling of 1030122221213 in words is "one trillion, thirty billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 101 10199229913 1030122221213